IDE: Show "Find in Files" dialog also from the package editor. Issue #40673, patch by Henner Drewes.

(cherry picked from commit 75d9f32660)

ide/findinfilesdlg.pas

@@ -454,6 +454,8 @@ begin
   // disable replace. Find in files is often called,
   // but almost never to replace with the same parameters
   Options := Options-[fifReplace,fifReplaceAll];
+  if ShowModal <> mrOK then
+    Exit;
   Execute;
 end;