feat(editor): Add template Id to workflow metadata (#8088)

## Summary
Adding a link between the workflow and the template it originated from
by saving `templateId` in the workflow metadata

## Related tickets and issues
ADO-1537

## Review / Merge checklist
- [x] PR title and summary are descriptive. **Remember, the title
automatically goes into the changelog. Use `(no-changelog)` otherwise.**
([conventions](https://github.com/n8n-io/n8n/blob/master/.github/pull_request_title_conventions.md))
- [ ] [Docs updated](https://github.com/n8n-io/n8n-docs) or follow-up
ticket created.
- [x] Tests included.
> A bug is not considered fixed, unless a test is added to prevent it
from happening again.
   > A feature is not complete without tests.

packages/editor-ui/src/Interface.ts

@@ -227,6 +227,7 @@ export interface IWorkflowData {
 	tags?: string[];
 	pinData?: IPinData;
 	versionId?: string;
+	meta?: WorkflowMetadata;
 }
 
 export interface IWorkflowDataUpdate {
@@ -243,9 +244,7 @@ export interface IWorkflowDataUpdate {
 }
 
 export interface IWorkflowToShare extends IWorkflowDataUpdate {
-	meta?: {
-		instanceId: string;
-	};
+	meta?: WorkflowMetadata;
 }
 
 export interface IWorkflowTemplateNode
@@ -273,6 +272,8 @@ export interface INewWorkflowData {
 
 export interface WorkflowMetadata {
 	onboardingId?: string;
+	templateId?: string;
+	instanceId?: string;
 }
 
 // Almost identical to cli.Interfaces.ts