[gnome-builder/wip/gtk4-port] plugins/vcsui: show spinner while fetching branch list

[Christian Hergert <chergert src gnome org>]

commit bfa7d52f7df674349dcb03c6c190582bbdde570a
Author: Christian Hergert <chergert redhat com>
Date:   Tue May 31 16:49:03 2022 -0700

    plugins/vcsui: show spinner while fetching branch list

 src/plugins/vcsui/gbp-vcsui-clone-page.ui | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)
---
diff --git a/src/plugins/vcsui/gbp-vcsui-clone-page.ui b/src/plugins/vcsui/gbp-vcsui-clone-page.ui
index 09c0601b3..ba13b60b0 100644
--- a/src/plugins/vcsui/gbp-vcsui-clone-page.ui
+++ b/src/plugins/vcsui/gbp-vcsui-clone-page.ui
@@ -38,12 +38,23 @@
                                 <property name="margin-start">6</property>
                                 <property name="margin-top">6</property>
                                 <child>
-                                  <object class="GtkLabel">
-                                    <property name="label" translatable="yes">Branches</property>
-                                    <property name="xalign">0</property>
-                                    <style>
-                                      <class name="heading"/>
-                                    </style>
+                                  <object class="GtkBox">
+                                    <child>
+                                      <object class="GtkLabel">
+                                        <property name="label" translatable="yes">Branches</property>
+                                        <property name="hexpand">true</property>
+                                        <property name="xalign">0</property>
+                                        <style>
+                                          <class name="heading"/>
+                                        </style>
+                                      </object>
+                                    </child>
+                                    <child>
+                                      <object class="GtkSpinner">
+                                        <property name="spinning" bind-source="request" 
bind-property="branch-model-busy"/>
+                                        <property name="visible" bind-source="request" 
bind-property="branch-model-busy"/>
+                                      </object>
+                                    </child>
                                   </object>
                                 </child>
                                 <child>