[gnome-builder] grep: Focus pane when revealing it with Ctrl+Shift+Alt+F

[Christian Hergert <chergert src gnome org>]

commit e7453a4180191b5aa21edeb32cd4757f5f48ee07
Author: vanadiae <vanadiae35 gmail com>
Date:   Sat Aug 6 17:19:29 2022 +0200

    grep: Focus pane when revealing it with Ctrl+Shift+Alt+F
    
    It was done in the GTK3 port with the ide_widget_reveal_and_grab()
    method, but when porting the grabbing wasn't kept, likely as an oversight
    since it does it just fine in the main gbp-grep-panel.c code.

 src/plugins/grep/gbp-grep-workspace-addin.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/plugins/grep/gbp-grep-workspace-addin.c b/src/plugins/grep/gbp-grep-workspace-addin.c
index f2e0a3d00..48fb6e79e 100644
--- a/src/plugins/grep/gbp-grep-workspace-addin.c
+++ b/src/plugins/grep/gbp-grep-workspace-addin.c
@@ -45,6 +45,7 @@ panel_show_action (GbpGrepWorkspaceAddin *self,
   g_assert (GBP_IS_GREP_WORKSPACE_ADDIN (self));
 
   panel_widget_raise (PANEL_WIDGET (self->panel));
+  gtk_widget_grab_focus (GTK_WIDGET (self->panel));
 }
 
 IDE_DEFINE_ACTION_GROUP (GbpGrepWorkspaceAddin, gbp_grep_workspace_addin, {