Enhancement: long text custom field (#10846)

---------

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

src-ui/src/app/data/custom-field.ts

@@ -10,6 +10,7 @@ export enum CustomFieldDataType {
   Monetary = 'monetary',
   DocumentLink = 'documentlink',
   Select = 'select',
+  LongText = 'longtext',
 }
 
 export const DATA_TYPE_LABELS = [
@@ -49,6 +50,10 @@ export const DATA_TYPE_LABELS = [
     id: CustomFieldDataType.Select,
     name: $localize`Select`,
   },
+  {
+    id: CustomFieldDataType.LongText,
+    name: $localize`Long Text`,
+  },
 ]
 
 export interface CustomField extends ObjectWithId {