PUI Plugin Panels (#7470)

* Adds basic API endpoint for requesting plugin panels

* Split PanelType out into own file

* Placeholder for a plugin panel loaded dynamically

* Add some dummy data for the plugin panels

* Example of plugin panel selection based on page

* Expose some global window attributes

* Add new setting

* Disable panel return if plugin integration is not enabled

* Update hook to auto-magically load plugin panels

* Allow custom panel integration for more panel  groups

* Remove debug call

* Tweak query return data

* async fn

* Adds <PluginPanel> component for handling panel render

* Cleanup

* Prevent API requests before instance ID is known

* Pass instance data through

* Framework for a sample plugin which implements custom panels

* offload custom panels to sample plugin

* Load raw HTML content

* Expand custom panel rendering demo

* Adjust API endpoints

* Add function to clear out static files which do not match installed plugin(s)

* Update static files when installing plugins from file

* Update static files when installing or uninstalling a plugin

* Update static files on config change

* Pass more information through to plugin panels

* Prepend hostname to plugin source

* Pass instance detail through

* Cleanup code for passing data through to plugin panels

- Define interface type
- Shorten variable names

* Update docs requirements

* Revert "Update docs requirements"

This reverts commit 63a06d97f5.

* Add placeholder for documentation

* Fix imports

* Add a broken panel which tries to load a non-existent javascript file

* Render error message if plugin does not load correctly

* Only allow superuser to perform plugin actions

* Code cleanup

* Add "dynamic" contnt - javascript file - to example plugin

* Remove default values

* Cleanup unused code

* PanelGroup updates

* Cleanup hooks for changing panel state

* More work needed...

* Code cleanup

* More updates / refactoring

- Allow dynamic hiding of a particular panel
- Pass target ref as positional argument
- Better handling of async calls

* Documentation

* Bump API version

* Provide theme object to plugin context

* Adjust sample plugin

* Docs updates

* Fix includefile call in docs

* Improve type annotation

* Cleanup

* Enable plugin panels for "purchasing index" and "sales index" pages

* Fix for plugin query check

* Improvements to panel selection

- Code refactor / cleanup
- Ensure that a valid panel is always displayed
- Allow plugin panels to persist, even after reload

* Playwright test fixes

* Update src/frontend/src/hooks/UsePluginPanels.tsx

Co-authored-by: Lukas <76838159+wolflu05@users.noreply.github.com>

* Update src/frontend/src/components/plugins/PluginPanel.tsx

Co-authored-by: Lukas <76838159+wolflu05@users.noreply.github.com>

* Update src/frontend/src/components/plugins/PluginContext.tsx

Co-authored-by: Lukas <76838159+wolflu05@users.noreply.github.com>

* Fix context

* Add more context data

* Docs updates

* Reimplement local state

* Fix mkdocs.yml

* Expose 'colorScheme' to plugin context

* Define CustomPanel type definition

* Add unit testing for user interface plugins

* Add front-end tests for plugin panels

* Add new setting to plugin_settings_keys

* Adds helper function for annotating build line allocations

* Improve query efficiency

- Especially around unit testing
- Ensure all settings are generated
- Do not auto-create settings during registry load

* Improve query efficiency for build order operations

* Reduce max query count for specific test

* Revert query count limit

* playwright test updates

---------

Co-authored-by: Lukas <76838159+wolflu05@users.noreply.github.com>

docs/mkdocs.yml

@@ -213,6 +213,7 @@ nav:
       - Schedule Mixin: extend/plugins/schedule.md
       - Settings Mixin: extend/plugins/settings.md
       - URL Mixin: extend/plugins/urls.md
+      - User Interface Mixin: extend/plugins/ui.md
       - Validation Mixin: extend/plugins/validation.md
     - Machines:
       - Overview: extend/machines/overview.md