feat(editor): Migrate pinData mixin to usePinnedData composable (no-changelog) (#8207)

## Summary
Required as part of NodeView refactoring:
- Migrates `pinData` mixin to `usePinnedData` composable.
- Adds `useActiveNode` and `useNodeType` composables 

## Related tickets and issues
https://linear.app/n8n/issue/N8N-6355/pindata

## 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))
- [x] [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/components/__tests__/RunData.test.ts

@@ -84,7 +84,7 @@ describe('RunData', () => {
 	const render = (outputData: unknown[], displayMode: IRunDataDisplayMode) =>
 		createComponentRenderer(RunData, {
 			props: {
-				nodeUi: {
+				node: {
 					name: 'Test Node',
 				},
 			},
@@ -103,7 +103,7 @@ describe('RunData', () => {
 			},
 		})({
 			props: {
-				nodeUi: {
+				node: {
 					id: '1',
 					name: 'Test Node',
 					position: [0, 0],