Return the query with the findcontrols

web/app.js

@@ -2438,12 +2438,18 @@ function webViewerUpdateFindMatchesCount({ matchesCount }) {
   }
 }
 
-function webViewerUpdateFindControlState({ state, previous, matchesCount }) {
+function webViewerUpdateFindControlState({
+  state,
+  previous,
+  matchesCount,
+  rawQuery,
+}) {
   if (PDFViewerApplication.supportsIntegratedFind) {
     PDFViewerApplication.externalServices.updateFindControlState({
       result: state,
       findPrevious: previous,
       matchesCount,
+      rawQuery,
     });
   } else {
     PDFViewerApplication.findBar.updateUIState(state, previous, matchesCount);

web/pdf_find_controller.js

@@ -736,6 +736,7 @@ class PDFFindController {
       state,
       previous,
       matchesCount: this._requestMatchesCount(),
+      rawQuery: this._state ? this._state.query : null,
     });
   }
 }