bpo-34120: fix IDLE freezing after closing dialogs (GH-8603)


Added missing .grab_release() calls to all places where we call .grab_set().
(cherry picked from commit 10ea9409ceb5da83cb380b610750551e26561044)

Co-authored-by: Tal Einat <taleinat+github@gmail.com>
diff --git a/Lib/idlelib/query.py b/Lib/idlelib/query.py
index 15add6d..c2628cc 100644
--- a/Lib/idlelib/query.py
+++ b/Lib/idlelib/query.py
@@ -143,6 +143,10 @@
         self.result = None
         self.destroy()
 
+    def destroy(self):
+        self.grab_release()
+        super().destroy()
+
 
 class SectionName(Query):
     "Get a name for a config file section name."