fix(Google Sheets Node): Make it possible to set cell values empty on updates (#17224)

Co-authored-by: Milorad FIlipović <milorad@n8n.io>
Co-authored-by: Nikhil Kuriakose <nikhil.kuriakose@n8n.io>

packages/frontend/editor-ui/src/components/ParameterInputList.vue

@@ -607,6 +607,7 @@ const onCalloutDismiss = async (parameter: INodeProperties) => {
 				:path="getPath(parameter.name)"
 				:dependent-parameters-values="getDependentParametersValues(parameter)"
 				:is-read-only="isReadOnly"
+				:allow-empty-strings="parameter.typeOptions?.resourceMapper?.allowEmptyValues"
 				input-size="small"
 				label-size="small"
 				@value-changed="valueChanged"

packages/frontend/editor-ui/src/components/ResourceMapper/ResourceMapper.vue

@@ -40,6 +40,7 @@ type Props = {
 	teleported?: boolean;
 	dependentParametersValues?: string | null;
 	isReadOnly?: boolean;
+	allowEmptyStrings?: boolean;
 };
 
 const nodeTypesStore = useNodeTypesStore();
@@ -50,6 +51,7 @@ const props = withDefaults(defineProps<Props>(), {
 	teleported: true,
 	dependentParametersValues: null,
 	isReadOnly: false,
+	allowEmptyStrings: false,
 });
 
 const { onDocumentVisible } = useDocumentVisibility();
@@ -436,8 +438,8 @@ function fieldValueChanged(updateInfo: IUpdateInformation): void {
 	let newValue = null;
 	if (
 		updateInfo.value !== undefined &&
-		updateInfo.value !== '' &&
 		updateInfo.value !== null &&
+		(props.allowEmptyStrings || updateInfo.value !== '') &&
 		isResourceMapperValue(updateInfo.value)
 	) {
 		newValue = updateInfo.value;