feat(ui): close viewer when adding a RG layer

Author: psychedelicious

invokeai/frontend/web/src/features/gallery/store/gallerySlice.ts

@@ -1,6 +1,7 @@
 import type { PayloadAction } from '@reduxjs/toolkit';
 import { createSlice, isAnyOf } from '@reduxjs/toolkit';
 import type { PersistConfig, RootState } from 'app/store/store';
+import { rgLayerAdded } from 'features/controlLayers/store/controlLayersSlice';
 import { setActiveTab } from 'features/ui/store/uiSlice';
 import { uniqBy } from 'lodash-es';
 import { boardsApi } from 'services/api/endpoints/boards';
@@ -89,6 +90,9 @@ export const gallerySlice = createSlice({
     builder.addCase(setActiveTab, (state) => {
       state.isImageViewerOpen = false;
     });
+    builder.addCase(rgLayerAdded, (state) => {
+      state.isImageViewerOpen = false;
+    });
     builder.addMatcher(isAnyBoardDeleted, (state, action) => {
       const deletedBoardId = action.meta.arg.originalArgs;
       if (deletedBoardId === state.selectedBoardId) {