feat(web): Remove from Stack (#19703)

* - add component
- update server's StackCreateDto for merge parameter
- Update stackRepo to only merge stacks when merge=true (default)
- update web action handlers to show stack changes

* - make open-api

* lint & format

* - Add proper icon to 'remove from stack'
- change web unstack icon to image-off-outline

* - cleanup

* - format & lint

* - make open-api: StackCreateDto merge optional

* initial addition of new endpoint

* remove stack endpoint

* - fix up remove stack endpoint
- open-api

* - Undo stackCreate merge parameter

* - open-api typescript

* open-api dart

* Tests:
- add tests
- update assetStub.imageFrom2015 to have required stack attributes to include it with tests

* update event name

* Fix event name in test

* remove asset_update check

* - merge stack.removeAsset params into one object
- refactor asset existence check (no need for asset fetch)
- fix tests

* Don't return updated stack

* Create specialized stack id & primary asset fetch for asset removal checks

* Correct new permission names

* make sql

* - fix open-api

* - cleanup

web/src/lib/constants.ts

@@ -11,6 +11,7 @@ export enum AssetAction {
   UNSTACK = 'unstack',
   KEEP_THIS_DELETE_OTHERS = 'keep-this-delete-others',
   SET_STACK_PRIMARY_ASSET = 'set-stack-primary-asset',
+  REMOVE_ASSET_FROM_STACK = 'remove-asset-from-stack',
   SET_VISIBILITY_LOCKED = 'set-visibility-locked',
   SET_VISIBILITY_TIMELINE = 'set-visibility-timeline',
 }