Before this change the tests for test datasource was not run.

* Explore: Take root_url setting into account when redirecting from dashboard to explore

* Explore: Move adding of subath to getExploreUrl function

* Explore: Fix explore redirect for key bindings

* Add styling.md with guide to emotion

* Update style_guides/styling.md

* Update style_guides/styling.md

* Update style_guides/styling.md

* Update PR guide

* Add stylesFactory helper function

* Simplify styles creator signature

* Make styles factory deps optional

* Update typing

* First batch of updates

* Remove unused import

* Update tests

* Update SECURITY.md

Minor grammar edits

* Update SECURITY.md

- Use sets to keep track of previously defined actionCreators
- Remove noPayloadActionCreatorFactory

Minor edits, removed a broken link. It led to a 404 page.

* Improve toolkit's readme about contributing

* Update packages/grafana-toolkit/README.md

Co-Authored-By: kay delaney <45561153+kaydelaney@users.noreply.github.com>

* Chore: Adds throwUnhandledRejections to jest setup

* Bring back @grafana/runtime import

* Fix broken metric metadata aggregation test

* Deduplicate series labels in datalinks variables suggestions

* Allways show all variables available in datalinks suggestions

* Dev: Sets `preserveSymlinks` to `false` in top-level tsconfig
Improves dev experience in vscode

* Removed preserveSymlinks from tsconfig since default option is false

* Refactor: Adds newTimeRange property to PanelData

* Refactor: Handles timeRange prop after requests

* Refactor: Makes timeRange mandatory

* Refactor: Adds DefaultTimeRange

* changelog: add 6.4.0-beta2 release

* add back toolkit changes to main changelog

* Update playlist.md

Docs: Change gerunds to verbs in Playlist and fix formatting #19341

* Docs: Update Playlist.md #19382

Fixed typo: "Documention" becomes "Documentation"

Minor grammar edits, mostly bringing headings in line with the style guide.

Clarified how to get support, added link to official documentation

* Update ISSUE_TRIAGE.md

* Update ISSUE_TRIAGE.md

Minor edits

* Update ISSUE_TRIAGE.md

Reverted heading change

* Update ISSUE_TRIAGE.md

Minor grammar and format edits

Only return certain mysql errors from backend.
The following errors is returned as is from backend:
error code 1064 (parse error)
error code 1054 (bad column/field selected)
error code 1146 (table not exists)
Any other errors is logged and returned as a generic
error.
Restrict use of certain functions:
Do not allow usage of the following in query:
system_user()
session_user()
current_user() or current_user
user()
show grants

Fixes #19360

Raw sql now updates when changing query using 
graphical query editor for mysql and postgres.

Fixes #19063

Adds support for validating query in alert for mysql, 
postgres and mssql.

Fixes #13155