Store pagerduty integration key in secure setting.

Ref #25967

In OSS provisioning service init after plugin registration, but in
Enterprise it's the opposite order and installed app plugin check
fails. This adjusts service registry init priority to make sure plugins
are registered before provisioning inits.

Which issue(s) this PR fixes:
Fixes #26336

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

* Loki: Fix error handling

* Keep custom error processing for escaping

* Fix failing test

Co-authored-by: Ivana <ivana.huckova@gmail.com>

Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>

missing return statements can result in panic

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

* Panel: render documentation as markdown in TypeaheadInfo

* Modify TypeaheadInfo to sanitize markdown output

Before this, if the user were to divide by 0.0, "Infinity" would be returned in the result and the user would get an error: "unexpected type, expected json.Number but got string". Now these values are properly set as Inf values (and also made sure to handle NaN as well).

Elasticsearch: Create Raw Doc metric to render raw JSON docs in columns in the new table panel (#26233)

* test

* WIP: Create v2 version

* Update tests, remove conosole logs, refactor

* Remove incorrect types

* Update type

* Rename legacy and new metrics

* Update

* Run request when Raw Data tto Raw Document switch

* Fix size updating

* Remove _source field from table results as we are showing each source field as column

* Remove _source just for metrics, not logs

* Revert "Remove _source just for metrics, not logs"

This reverts commit 611b6922f762afa0e76fd8679a9b8160bca74e6a.

* Revert "Remove _source field from table results as we are showing each source field as column"

This reverts commit 31a9d5f81b79b91a12a7e0b74f172ff8afc4bdd3.

* Add vis preference for logs

* Update visualisation to logs

* Revert "Revert "Remove _source just for metrics""

This reverts commit a102ab2894e7a9ca6eee307aa9b60dfea169c718.

Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>

* Add datasourceUid info

* Revert "Add datasourceUid info"

This reverts commit 84dce1dcfd9b867500762fc13c0cf08c6c97d6c1.

* Add datasourceUid info

* Update docs/sources/features/datasources/loki.md

Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>

* Update derived fields info

Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>

* Docs: Add info about logs/metrics unification to What's New docs

* Apply suggestions from code review

Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>

Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>

* DashboardLinks: WIP fix for dashboard links issue

* Make the dashboard links update on change(hacky)

* Replace dashboard links with new array when updating/adding dash links

* Update snaps

* Deep clone dashboard links on save

Co-authored-by: Dominik Prokop <dominik.prokop@grafana.com>

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

* SignIn button - use correct url

* Fix SignIn test (#26266)

* Don't use absolute URL

* post review

* Fix snap

Co-authored-by: Sofia Papagiannaki <papagian@users.noreply.github.com>

* CloudWatch Logs: Fixes grouping of results by numeric field
Closes #25721 

Fixes #24622

* CloudWatch: Clean up code

* Create chained-variables.md

* Update chained-variables.md

* Update chained-variables.md

* Update chained-variables.md

* Update menu.yaml

* Update chained-variables.md

* Update templates-and-variables.md

* Update docs/sources/variables/chained-variables.md

Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>

* applied edits

Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>

Co-authored-by: Ryan McKinley <ryantxu@gmail.com>
Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>

as per, and fixes #25339

* Update global-variables.md

* Create _index.md

* Create add-query-variable.md

* added variable task files

* Update templates-and-variables.md

* added content

* content edits

* Update formatting-multi-value-variables.md

* added content and updated menu

* Update add-query-variable.md

* applied edits

* Update docs/sources/variables/formatting-multi-value-variables.md

Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>

* Update docs/sources/variables/formatting-multi-value-variables.md

Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>

* Update docs/sources/variables/formatting-multi-value-variables.md

Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>

* applied edits

* Update docs/sources/variables/filter-variables-with-regex.md

Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>

* Update docs/sources/variables/formatting-multi-value-variables.md

Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>

* Update docs/sources/variables/formatting-multi-value-variables.md

Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>

* Update formatting-multi-value-variables.md

Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

Document jaeger tracing instrumentation.

Co-Authored-By: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>
Co-authored-by: Carl Bergquist <carl.bergquist@gmail.com>
Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>

* Add feature toggle for standalone alerts

* Add IsStandaloneAlertsEnabled exported func

* Upgrade grabpl; refactor Drone config

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>