autoAddBoardId should always be defined

Author: Mary Hipp

invokeai/frontend/web/src/app/store/middleware/listenerMiddleware/listeners/imageUploaded.ts

@@ -40,7 +40,7 @@ export const addImageUploadedFulfilledListener = () => {
       // default action - just upload and alert user
       if (postUploadAction?.type === 'TOAST') {
         const { toastOptions } = postUploadAction;
-        if (!autoAddBoardId) {
+        if (!autoAddBoardId || autoAddBoardId === 'none') {
           dispatch(addToast({ ...DEFAULT_UPLOADED_TOAST, ...toastOptions }));
         } else {
           // Add this image to the board

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

@@ -41,6 +41,10 @@ export const gallerySlice = createSlice({
       state.galleryView = 'images';
     },
     autoAddBoardIdChanged: (state, action: PayloadAction<BoardId>) => {
+      if (!action.payload) {
+        state.autoAddBoardId = 'none';
+        return;
+      }
       state.autoAddBoardId = action.payload;
     },
     galleryViewChanged: (state, action: PayloadAction<GalleryView>) => {