Merge "add single function to action and save it to frontend store."

diff --combined cds-ui/designer-client/src/app/common/constants/app-constants.ts
index eeff3d4,07bd9ad..14cb001
--- 1/cds-ui/designer-client/src/app/common/constants/app-constants.ts
--- 2/cds-ui/designer-client/src/app/common/constants/app-constants.ts
+++ b/cds-ui/designer-client/src/app/common/constants/app-constants.ts
@@@ -106,7 -106,6 +106,7 @@@ export const ResourceDictionaryURLs = 
      saveResourceDictionary: '/resourcedictionary/save',
      searchResourceDictionaryByTags: '/resourcedictionary/search',
      searchResourceDictionaryByName: '',
 +    searchResourceDictionaryByNames: '/resourcedictionary/search/by-names',
      getSources: '/resourcedictionary/source-mapping',
      getModelType: '/resourcedictionary/model-type',
      getResourceDictionary: '/resourcedictionary/model-type/by-definition'
@@@ -118,3 -117,6 +118,6 @@@ export const ControllerCatalogURLs = 
      getDefinition: '/controllercatalog/model-type/by-definition',
      getDerivedFrom: '/controllercatalog/model-type/by-derivedfrom'
  };
+ 
+ 
+ export const ActionElementTypeName = 'app.ActionElement';