Add Open in New Window and reexecution on import change (#6379)

* Quick prototype: open in new window in file tree

* WIP: refresh on imported file change

* Fix up reexecution

* Clean up

* Add test 'Assembly gets reexecuted when imported models are updated externally'

* Clean up

e2e/playwright/test-utils.ts

@@ -1024,6 +1024,10 @@ export function testsInputPath(fileName: string): string {
   return path.join('rust', 'kcl-lib', 'tests', 'inputs', fileName)
 }
 
+export function kclSamplesPath(fileName: string): string {
+  return path.join('public', 'kcl-samples', fileName)
+}
+
 export async function doAndWaitForImageDiff(
   page: Page,
   fn: () => Promise<unknown>,