[gnome-builder/wip/gtk4-port: 430/736] plugins/project-tree: set depth for project-tree pane

[Christian Hergert <chergert src gnome org>]

commit d40782fce2b0c5a415821e175be36e73c37ae7d7
Author: Christian Hergert <chergert redhat com>
Date:   Wed Apr 6 11:52:36 2022 -0700

    plugins/project-tree: set depth for project-tree pane

 src/plugins/project-tree/gbp-project-tree-workspace-addin.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/plugins/project-tree/gbp-project-tree-workspace-addin.c 
b/src/plugins/project-tree/gbp-project-tree-workspace-addin.c
index be08cd030..1672f0662 100644
--- a/src/plugins/project-tree/gbp-project-tree-workspace-addin.c
+++ b/src/plugins/project-tree/gbp-project-tree-workspace-addin.c
@@ -52,6 +52,7 @@ gbp_project_tree_workspace_addin_load (IdeWorkspaceAddin *addin,
   position = ide_panel_position_new ();
   ide_panel_position_set_edge (position, PANEL_DOCK_POSITION_START);
   ide_panel_position_set_row (position, 0);
+  ide_panel_position_set_depth (position, 0);
 
   ide_workspace_add_pane (workspace, IDE_PANE (self->pane), position);
 }