Fix Quickview for missing table data on some Gtk Versions (#593)

Issue #10448

Issue #7867

gramps/gui/plug/quick/_quicktable.py

@@ -344,6 +344,7 @@ class QuickTable(SimpleTable):
         self.simpledoc = document
         buffer = self.simpledoc.doc.buffer
         text_view = self.simpledoc.doc.text_view
+        text_view.set_sensitive(False)
         model_index = 1 # start after index
         if self._sort_col:
             sort_index = self._columns.index(self._sort_col)
@@ -428,3 +429,6 @@ class QuickTable(SimpleTable):
         text_view.show_all()
         self.simpledoc.paragraph("")
         self.simpledoc.paragraph("")
+        while Gtk.events_pending():
+            Gtk.main_iteration()
+        text_view.set_sensitive(True)