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

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

frontend/public/locales/en-GB/translation.json

@@ -41,6 +41,9 @@
   "save": "Save",
   "saveToBrowser": "Save to Browser",
   "download": "Download",
+  "undoOperationTooltip": "Click to undo the last operation and restore the original files",
+  "undo": "Undo",
+  "moreOptions": "More Options",
   "editYourNewFiles": "Edit your new file(s)",
   "close": "Close",
   "fileSelected": "Selected: {{filename}}",
@@ -2382,4 +2385,4 @@
       "processImagesDesc": "Converts multiple image files into a single PDF document, then applies OCR technology to extract searchable text from the images."
     }
   }
-}
+}