Replace provider select options with Labels displayed in flows table

forms/common-themes/src/main/resources/theme/base/admin/resources/partials/create-execution.html

@@ -11,7 +11,7 @@
                 <div>
                     <select class="form-control" id="provider"
                             ng-model="provider"
-                            ng-options="provider.id for provider in providers">
+                            ng-options="provider.displayName|capitalize for provider in providers">
                     </select>
                 </div>
             </div>