Undo Button -> review state. Result files added to recents (#4337)

Produced PDFs go into recent files
Undo button added to review state
Undo causes undoConsume which replaces result files with source files.
Removes result files from recent files too

---------

Co-authored-by: Connor Yoh <[email protected]>

frontend/src/components/tools/shared/createToolFlow.tsx

@@ -43,6 +43,7 @@ export interface ReviewStepConfig {
   operation: ToolOperationHook<any>;
   title: string;
   onFileClick?: (file: File) => void;
+  onUndo: () => void;
   testId?: string;
 }
 
@@ -105,7 +106,8 @@ export function createToolFlow(config: ToolFlowConfig) {
           isVisible: config.review.isVisible,
           operation: config.review.operation,
           title: config.review.title,
-          onFileClick: config.review.onFileClick
+          onFileClick: config.review.onFileClick,
+          onUndo: config.review.onUndo
         })}
       </ToolStepProvider>
     </Stack>