DateTime: adding support to select preferred timezone for presentation of date and time values. (#23586)

* added moment timezone package.

* added a qnd way of selecting timezone.

* added a first draft to display how it can be used.

* fixed failing tests.

* made moment.local to be in utc when running tests.

* added tests to verify that the timeZone support works as expected.

* Fixed so we use the formatter in the graph context menu.

* changed so we will format d3 according to timeZone.

* changed from class base to function based for easier consumption.

* fixed so tests got green.

* renamed to make it shorter.

* fixed formatting in logRow.

* removed unused value.

* added time formatter to flot.

* fixed failing tests.

* changed so history will use the formatting with support for timezone.

* added todo.

* added so we append the correct abbrivation behind time.

* added time zone abbrevation in timepicker.

* adding timezone in rangeutil tool.

* will use timezone when formatting range.

* changed so we use new functions to format date so timezone is respected.

* wip - dashboard settings.

* changed so the time picker settings is in react.

* added force update.

* wip to get the react graph to work.

* fixed formatting and parsing on the timepicker.

* updated snap to be correct.

* fixed so we format values properly in time picker.

* make sure we pass timezone on all the proper places.

* fixed so we use correct timeZone in explore.

* fixed failing tests.

* fixed so we always parse from local to selected timezone.

* removed unused variable.

* reverted back.

* trying to fix issue with directive.

* fixed issue.

* fixed strict null errors.

* fixed so we still can select default.

* make sure we reads the time zone from getTimezone

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

* Rendering: base metrics

* Rendering: rendering_queue_size metric

* Chore: fix linter error

* Rendering metrics: refactoring

* Apply suggestions from code review

Co-Authored-By: Marcus Efraimsson <marcus.efraimsson@gmail.com>

* Rendering metrics: handle DeadlineExceeded errors

* Rendering metrics: don't measure canceled request time

* Rendering metrics: revert deleting summary for canceled requests

* Update pkg/services/rendering/rendering.go

Co-Authored-By: Marcus Efraimsson <marcus.efraimsson@gmail.com>

* Rendering: return ErrTimeout if context deadline exceeded

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

* Search: Move layout to query reducer/hook

* Search: Refactor search_srv

* Search: Fix types

* Search: Move extra layout/sort logic to reducer

* Search: Fix Select min-width

* Search: Fix filter by starred

* Search: Update tests

* Search: Simplify query return

* Search: Set width to auto on HorizontalGroup

* Search: Fix tests

* DashNav: refactor action buttons and custom content

* DashNav: remove code duplication

* DashNav: fix custom element display

* DashNav: fix strictNullChecks

* Create new components

* Fix async issues

* Remove comments

* Update public/app/features/admin/AdminOrgsTable.tsx

* Update public/app/features/admin/AdminListOrgsPage.tsx

* Update public/app/features/admin/AdminListOrgsPage.tsx

* Remove angular code

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

* Initial commit

* Chore: fixes after merge

* Chore: removes todos

* Chore: uncomment test

* Chore: adds missing externals to rollup config

* Refactor: selectors is master for everything

* Docs: updates Docs

* Chore: adds e2e-selectors to publish

* WIP: first stage

* Another take

* argghhh

* Updated

* My brain is mush

* Minor progress

* Progres

* Starting to work

* Fixes

* fixed e2e

* Fix storybook

* Add deprecated/alpha badge to panels in viz picker, fix long title display

* Move getFocusCss to mixins

* Updated hover/active state of vis picker item

* try fixing e2e

* Add removed label for e2e to be happy happy happy

Co-Authored-By: Arve Knudsen <arve.knudsen@gmail.com>

* Update prometheus.md

* Editing

* Update prometheus.md

* Update add-a-data-source.md

* Update prometheus.md

Co-authored-by: Daniel Lee <dan.limerick@gmail.com>

* Datasource/Cloudwatch: Adds support for Cloudwatch Logs

* Fix rebase leftover

* Use jsurl for AWS url serialization

* WIP: Temporary workaround for CLIQ metrics

* Only allow up to 20 log groups to be selected

* WIP additional changes

* More changes based on feedback

* More changes based on PR feedback

* Fix strict null errors

Co-authored-by: Carl Bergquist <carl@grafana.com>
Co-authored-by: bergquist <carl.bergquist@gmail.com>
Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>
Co-authored-by: Marcus Olsson <accounts+github@marcus.se.net>

* Start migration

* Migrate admin org edit page

* ManageDashboards: Fixes and improvements

* Fixed tests

* Fixed issue with item height and margin

* Singlestat: Migration button to migrate to new stat panel

* updated test

* NewPanelEditor: Make variables wrap  and small layout refactor

* review fix

* Search: updated design

* Fixed z-index

* Fixes

* Minor pixel push