SharedQuery: Error when switching to -- Dashboard -- data source caused "no data" no matter what source panel was selected (#27627)

* SharedQuery: Error when switching to -- Dashboard -- data source made observable subscription error and subsequent data results not update visualization

* added null check just in case

ImageRendering: Fix rendering panel using shared query in png, PDF reports and embedded scenarios  (#27628)

* ImageRendering: Fixed issue rendering panel using shared query

* Fixed spelling

* Update configuration.md

* Update whats-new-in-v7-2.md

* edited content

* Update whats-new-in-v7-2.md

* Update docs/sources/guides/whats-new-in-v7-2.md

Co-authored-by: Torkel Ödegaard <torkel@grafana.org>

* Update table-panel.md

* Update whats-new-in-v7-2.md

Co-authored-by: Torkel Ödegaard <torkel@grafana.org>

* DataLinks: Fixes issue with data links not having access to other fields field config

* Fixed test

In particular, so plugins can see the FromAlert header

* Updated file to change description of Enterprise.

* Removed duplicate content w.r.t Grafana installation and support.

* Replaced "not" with "neither".

* Removed Datadog-specific fields from config for annotation creation

* Added a custom form config option for annotation creation

* Added regex support to `selectOption`

Remove unsupported editable field
removed in SHA: d6faa3d0

Putting the optional argument "--homepath"  after the command. The previous one throws the following error: "Incorrect Usage. flag provided but not defined: -homepath". See also https://community.grafana.com/t/admin-password-reset/19455/9

Add a default timezone that the administrator can set in the settings. 
This setting is be used as default for the users timezone preference.
Can be used when creating Grafana instances without administrator 
intervention, in order to give user the correct default timezone.

Fixes #25654

* Docs: Field Config Docs Update, Table Docs update, Override matcher naming sync

* removed sentance that feels duplicated

* Update docs/sources/panels/field-configuration-options.md

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

* Update docs/sources/panels/field-configuration-options.md

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

* Update docs/sources/panels/field-configuration-options.md

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

* Update docs/sources/panels/field-configuration-options.md

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

* removed bad newlines and minor tweaks, still need to figure out naming for matchers in UI and docs

* Updated matcher names and descriptions, and UX

* Updated field override docs

* Fixed plural

* Updated wording

* removed plurals for the selectors heading

* Updated names

* Updated docs

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

* Add support for paths in default field config setup

* Typecheck fix

* fixed: bigdata dropdown first limit 1000

* fixed: change to use function of  applylimit

* fixed: remove both applyLimit callers

* feat: test for new logic with applimit

* feat: test showOptions  with the applyLimit logic

* fixed: test equal fixed

Postgres: Support request cancellation properly (Uses new backendSrv.fetch Observable request API) (#27478)

* Postgres: Replaces dataSourceRequest with fetch

* Postgres: Replaces dataSourceRequest with fetch

* Tests: removes unnecessary import

* Update documentation-style-guide.md

* Update documentation-style-guide.md

* Minor correction in docs

* Accepting review recommendation

* Minor grammatical correction

* Typo correction in docs

Allows login_maximum_inactive_lifetime_duration and 
login_maximum_lifetime_duration to be configured using 
time.Duration-compatible values while retaining backward compatibility.

Fixes #17554

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

* PanelEdit: Drag and drop query order & UI tweaks

* Fixed width of title issue

* added correct color and hover

* Updated e2e tests

* Fixed so we try to use the variables in the redux store to replace values in template variables.

* First draft of working version.

* Including fieldPath when adding :text format.

* cleaned up code by introducing helper function.

* some minor refactoring.

* Added tests and support for multi variables.

* added test and code to handle the All scenario of a multivariable.

* fixed according to feedback.

* added docs.

* added text format to gdev dashboard.

* updated e2e tests.

* make sure we use the same function for formatting och variable lable.

* increased the number to 22.

* changed label for tests to be All.

* existing format should be respected.