Unbreak structural navigation.

src/cthulhu/scripts/web/script.py

@@ -1539,11 +1539,15 @@ class Script(default.Script):
             msg = "WEB: Locus of focus changed to non-document obj"
             self._madeFindAnnouncement = False
             self._inFocusMode = False
-            msg = "locus of focus no longer in document"
+            self._setNavigationSuspended(True, "focus left document content")
             debug.printMessage(debug.LEVEL_INFO, msg, True)
             self.refreshKeyGrabs()
             return False
 
+        # Focus is in document content - unsuspend navigation if it was suspended
+        if self._navSuspended:
+            self._setNavigationSuspended(False, "focus entered document content")
+
         if self.flatReviewPresenter.is_active():
             self.flatReviewPresenter.quit()