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/components/asset-viewer/asset-viewer-nav-bar.svelte

@@ -9,6 +9,7 @@
   import DownloadAction from '$lib/components/asset-viewer/actions/download-action.svelte';
   import FavoriteAction from '$lib/components/asset-viewer/actions/favorite-action.svelte';
   import KeepThisDeleteOthersAction from '$lib/components/asset-viewer/actions/keep-this-delete-others.svelte';
+  import RemoveAssetFromStack from '$lib/components/asset-viewer/actions/remove-asset-from-stack.svelte';
   import RestoreAction from '$lib/components/asset-viewer/actions/restore-action.svelte';
   import SetAlbumCoverAction from '$lib/components/asset-viewer/actions/set-album-cover-action.svelte';
   import SetFeaturedPhotoAction from '$lib/components/asset-viewer/actions/set-person-featured-action.svelte';
@@ -195,6 +196,9 @@
             <KeepThisDeleteOthersAction {stack} {asset} {onAction} />
             {#if stack?.primaryAssetId !== asset.id}
               <SetStackPrimaryAsset {stack} {asset} {onAction} />
+              {#if stack?.assets?.length > 2}
+                <RemoveAssetFromStack {asset} {stack} {onAction} />
+              {/if}
             {/if}
           {/if}
           {#if album}