fix(ui): added optional chaining to getContentType to prevent undefin… (#6990)

Author: SahilJat

frontend/common/utils/utils.tsx

@@ -221,8 +221,8 @@ const Utils = Object.assign({}, BaseUtils, {
   flagsmithFeatureExists(flag: string) {
     return Object.prototype.hasOwnProperty.call(flagsmith.getAllFlags(), flag)
   },
-  getContentType(contentTypes: ContentType[], model: string, type: string) {
-    return contentTypes.find((c: ContentType) => c[model] === type) || null
+  getContentType(contentTypes: ContentType[] | undefined, model: string, type: string) {
+    return contentTypes?.find((c: ContentType) => c[model] === type) || null
   },
   getCreateProjectPermission(organisation: Organisation) {
     if (organisation?.restrict_project_create_to_admin) {