gth-browser-action-callbacks.c: Ignore view changes triggered by

backspace if the editor sidebar is active and an entry is focused.

Fixes #197
ref: linuxmint/mint21.3-beta#51

Author: mtwebster

pix/gth-browser-actions-callbacks.c

@@ -159,8 +159,12 @@ gth_browser_activate_browser_mode (GSimpleAction *action,
 	gth_browser_stop (browser);
 
 	viewer_sidebar = gth_browser_get_viewer_sidebar (browser);
-	if (gth_sidebar_tool_is_active (GTH_SIDEBAR (viewer_sidebar)))
-		gth_sidebar_deactivate_tool (GTH_SIDEBAR (viewer_sidebar));
+	if (gth_sidebar_tool_is_active (GTH_SIDEBAR (viewer_sidebar))) {
+        GtkWidget *focus_widget = gtk_window_get_focus (GTK_WINDOW (browser));
+        if (!GTK_IS_ENTRY (focus_widget)) {
+            gth_sidebar_deactivate_tool (GTH_SIDEBAR (viewer_sidebar));
+        }
+    }
 	else if (gth_browser_get_is_fullscreen (browser))
 		gth_browser_unfullscreen (browser);
 	else