Minor bugfixes

- When doing long-running canvas image exporting actions, display indeterminate progress bar
- Fix staging area image outline not displaying after committing/discarding results

frontend/src/features/canvas/store/canvasSlice.ts

@@ -331,6 +331,7 @@ export const canvasSlice = createSlice({
       state.layerState.stagingArea = {
         ...initialLayerState.stagingArea,
       };
+      state.shouldShowStagingOutline = true;
     },
     addLine: (state, action: PayloadAction<number[]>) => {
       const { tool, layer, brushColor, brushSize } = state;
@@ -618,6 +619,7 @@ export const canvasSlice = createSlice({
       };
 
       state.futureLayerStates = [];
+      state.shouldShowStagingOutline = true;
     },
     fitBoundingBoxToStage: (state) => {
       const {

frontend/src/features/canvas/store/thunks/mergeAndUploadCanvas.ts

@@ -11,6 +11,7 @@ import {
   setCurrentStatus,
   setIsCancelable,
   setIsProcessing,
+  setProcessingIndeterminateTask,
 } from 'features/system/store/systemSlice';
 import { addImage } from 'features/gallery/store/gallerySlice';
 import { setMergedCanvas } from '../canvasSlice';
@@ -42,8 +43,7 @@ export const mergeAndUploadCanvas =
       shouldSetAsInitialImage,
     } = config;
 
-    dispatch(setCurrentStatus('Exporting Image'));
+    dispatch(setProcessingIndeterminateTask('Exporting Image'));
-    dispatch(setIsProcessing(true));
     dispatch(setIsCancelable(false));
 
     const state = getState() as RootState;

frontend/src/features/system/store/systemSlice.ts

@@ -214,6 +214,11 @@ export const systemSlice = createSlice({
     clearToastQueue: (state) => {
       state.toastQueue = [];
     },
+    setProcessingIndeterminateTask: (state, action: PayloadAction<string>) => {
+      state.isProcessing = true;
+      state.currentStatus = action.payload;
+      state.currentStatusHasSteps = false;
+    },
   },
 });
 
@@ -241,6 +246,7 @@ export const {
   generationRequested,
   addToast,
   clearToastQueue,
+  setProcessingIndeterminateTask,
 } = systemSlice.actions;
 
 export default systemSlice.reducer;