Fix declarations

packages/bbui/src/helpers.d.ts

@@ -1 +1,3 @@
+declare module "./helpers" {
   export const cloneDeep: <T>(obj: T) => T
+}

packages/frontend-core/src/utils/json.d.ts

@@ -2,6 +2,7 @@ import { JsonFieldMetadata, QuerySchema } from "@budibase/types"
 
 type Schema = Record<string, QuerySchema | string>
 
+declare module "./json" {
   export const getJSONArrayDatasourceSchema: (
     tableSchema: Schema,
     datasource: any
@@ -19,3 +20,4 @@ export const convertJSONSchemaToTableSchema: (
       prefixKeys?: string
     }
   ) => Record<string, { type: string; name: string; prefixKeys: string }>
+}