fix: make field property of FieldLabel optional and partial (#8409)

Fixes #8366

Author: r1tsuu

packages/payload/src/admin/forms/Label.ts

@@ -13,9 +13,9 @@ export type GenericLabelProps = {
 }
 
 export type FieldLabelClientProps<
-  TFieldClient extends ClientFieldWithOptionalType = ClientFieldWithOptionalType,
+  TFieldClient extends Partial<ClientFieldWithOptionalType> = Partial<ClientFieldWithOptionalType>,
 > = {
-  field: TFieldClient
+  field?: TFieldClient
 } & GenericLabelProps
 
 export type FieldLabelServerProps<