[CORD-2188] Multi-stage build for UI containers

Change-Id: Ib4323e68821036945a271a381c2afb427b71594b
(cherry picked from commit 9acc16bbbf7c615d36394e64ed6efbd03aa9c880)
diff --git a/scenarios/mock/config.yml b/scenarios/mock/config.yml
index f248911..30b1d7c 100644
--- a/scenarios/mock/config.yml
+++ b/scenarios/mock/config.yml
@@ -61,7 +61,7 @@
   - "xosproject/xos-client"
   - "xosproject/xos-corebuilder"
   - "xosproject/xos-gui"
-  - "xosproject/xos-gui-extension-builder"
+  - "xosproject/xos-gui-builder"
   - "xosproject/xos-libraries"
   - "xosproject/xos-postgres"
   - "xosproject/xos-synchronizer-base"