* adds a shimmer effect to the skeletons
* adds a `natural` prop that makes the skeletons have a random width between 50% and 80%
* adds a skeleton to Browse models

Closes #44111

Fixes #43993.

* adding snippets back into getCollection

* e2e test

---------

Co-authored-by: Sloan Sparger <sloansparger@gmail.com>

* little bit of refactoring in sso test code

* use :once instead of :each

* expose card title settings

* Add dashboard test skeleton

* add a sample dashcard to the test

* dashboard grid should have card title by default

* add unit test for card title

* remove unused delay in unit test

* fix width and height being smaller than min values

* flip grid layout condition

---------

Co-authored-by: Oisin Coveney <oisin@metabase.com>

* apply cell background color

* add id column overrides

* do not add transparency to id column cell when overridden

* fix static dashboard theming

* update loki reference image

* add style resets and regenerate loki snapshots

* add style resets and regenerate loki snapshots

* fix area step

* specs

* Rework column sync to work with series objects

* Reuse previous metrics and dimensions if available

* Add repro test

* Handle errors when inferring separator of csv

This file

```
"c1","c2"
"a,b,c","d"
```

was failing to upload for a silly reason: when we were checking for
which separator it used, we had a parse error when using a semi-colon
and that blew up the whole pipeline.

* Use cal's helpful test suggestions

Although a user may have the necessary permissions to delete an item, if we're not going to allow deleting unarchived items, can_delete should be false for them too.

* Add our first Mantine Skeleton

* Sort

* Simplify Skeleton.tsx

* Move `syncColumnSettings` to metabase/visualization

* Remove unused `SettingsSyncOptions`

* Fix type errors

* combine and reorganize admin specs

* fix import and reorganize more

Fix get card query_metadata and dashboard query_metadata throws 500 when users don't have view perms on any tables (#44052)

* Fix broken E2E test

* Remove linter warning

* Restore icons in the new filter popup

* it.each

* Fix dismissing popup

* Undo revert

* Merge refs

* Update frontend/src/metabase/query_builder/components/expressions/ExpressionEditorTextfield/ExpressionEditorTextfield.tsx

Co-authored-by: Kamil Mielnik <kamil@kamilmielnik.com>

* Update frontend/src/metabase/query_builder/components/expressions/ExpressionEditorSuggestions/ExpressionEditorSuggestions.tsx

Co-authored-by: Romeo Van Snick <romeo@romeovansnick.be>

* Update frontend/src/metabase/query_builder/components/expressions/ExpressionEditorSuggestions/ExpressionEditorSuggestions.tsx

Co-authored-by: Romeo Van Snick <romeo@romeovansnick.be>

* Use semantically correct HTML

* Fix popmenuTarget type

---------

Co-authored-by: Kamil Mielnik <kamil@kamilmielnik.com>
Co-authored-by: Romeo Van Snick <romeo@romeovansnick.be>