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

mobile/openapi/lib/api/stacks_api.dart

@@ -190,6 +190,51 @@ class StacksApi {
     return null;
   }
 
+  /// Performs an HTTP 'DELETE /stacks/{id}/assets/{assetId}' operation and returns the [Response].
+  /// Parameters:
+  ///
+  /// * [String] assetId (required):
+  ///
+  /// * [String] id (required):
+  Future<Response> removeAssetFromStackWithHttpInfo(String assetId, String id,) async {
+    // ignore: prefer_const_declarations
+    final apiPath = r'/stacks/{id}/assets/{assetId}'
+      .replaceAll('{assetId}', assetId)
+      .replaceAll('{id}', id);
+
+    // ignore: prefer_final_locals
+    Object? postBody;
+
+    final queryParams = <QueryParam>[];
+    final headerParams = <String, String>{};
+    final formParams = <String, String>{};
+
+    const contentTypes = <String>[];
+
+
+    return apiClient.invokeAPI(
+      apiPath,
+      'DELETE',
+      queryParams,
+      postBody,
+      headerParams,
+      formParams,
+      contentTypes.isEmpty ? null : contentTypes.first,
+    );
+  }
+
+  /// Parameters:
+  ///
+  /// * [String] assetId (required):
+  ///
+  /// * [String] id (required):
+  Future<void> removeAssetFromStack(String assetId, String id,) async {
+    final response = await removeAssetFromStackWithHttpInfo(assetId, id,);
+    if (response.statusCode >= HttpStatus.badRequest) {
+      throw ApiException(response.statusCode, await _decodeBodyBytes(response));
+    }
+  }
+
   /// Performs an HTTP 'GET /stacks' operation and returns the [Response].
   /// Parameters:
   ///