fix(medusa, admin-ui, medusa-react): Gift Card update fixes and admin UI cleanup (#3676)

* fix gc domain issues

* add changeset

* update changeset

* more minor fixes, remove breadcrumb

* more cleanup

* address feedback

.changeset/cuddly-trees-cry.md

@@ -0,0 +1,7 @@
+---
+"medusa-react": patch
+"@medusajs/admin-ui": patch
+"@medusajs/medusa": patch
+---
+
+fix(admin-ui, medusa-react, medusa): Minor fixes to GC domain in admin UI. Also fixes GC update payload type in medusa-react and medusa.