Use Granite Bin

Author: leolost2605

src/BaseIconGroup.vala

@@ -25,7 +25,7 @@ public abstract class Dock.BaseIconGroup : BaseItem {
         };
         flow_box.bind_model (slice, create_flow_box_child);
 
-        var bin = new Adw.Bin () {
+        var bin = new Granite.Bin () {
             child = flow_box
         };
         bin.add_css_class ("icon-group-bin");

src/WorkspaceSystem/DynamicWorkspaceItem.vala

@@ -19,8 +19,8 @@ public class Dock.DynamicWorkspaceIcon : BaseItem {
         };
         add_image.add_css_class ("add-image");
 
-        // Adw.Bin is used here to keep css nodes consistent with IconGroup
-        var bin = new Adw.Bin () {
+        // Granite.Bin is used here to keep css nodes consistent with IconGroup
+        var bin = new Granite.Bin () {
             child = add_image
         };
         bin.add_css_class ("icon-group-bin");