[gnome-builder] plugins/symbol-tree: add keybinding to tooltip

[Christian Hergert <chergert src gnome org>]

commit ee0165f860a9c308b95dd61f7ccd1e34263a3e92
Author: Christian Hergert <chergert redhat com>
Date:   Tue Jul 12 22:08:26 2022 -0700

    plugins/symbol-tree: add keybinding to tooltip

 src/plugins/symbol-tree/gbp-symbol-workspace-addin.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/plugins/symbol-tree/gbp-symbol-workspace-addin.c 
b/src/plugins/symbol-tree/gbp-symbol-workspace-addin.c
index 2737b2bb2..ef0af0b68 100644
--- a/src/plugins/symbol-tree/gbp-symbol-workspace-addin.c
+++ b/src/plugins/symbol-tree/gbp-symbol-workspace-addin.c
@@ -351,6 +351,7 @@ gbp_symbol_workspace_addin_load (IdeWorkspaceAddin *addin,
                                    "label", _("Select Symbol…"),
                                    "xalign", 0.0f,
                                    "ellipsize", PANGO_ELLIPSIZE_END,
+                                   "tooltip-text", _("Select Symbol (Ctrl+Shift+K)"),
                                    NULL);
   gtk_box_append (box, GTK_WIDGET (self->menu_label));
   self->popover = GBP_SYMBOL_POPOVER (gbp_symbol_popover_new ());