Disable prompt-to-edit tests

Right now it's generating invalid KCL because it has not yet trained on
the new appearance function that uses keyword arguments.

These tests should be enabled again once ZMA and kcl-samples are released,
and t2c can train on it.

e2e/playwright/prompt-to-edit.spec.ts

@@ -36,7 +36,7 @@ extrude003 = extrude(sketch003, length = 20)
 `
 
 test.describe('Prompt-to-edit tests', { tag: '@skipWin' }, () => {
-  test.describe('Check the happy path, for basic changing color', () => {
+  test.fixme('Check the happy path, for basic changing color', () => {
     const cases = [
       {
         desc: 'User accepts change',