feat(editor): Display schema preview for unexecuted nodes

[elsmr]

Summary

Display schema preview for unexecuted nodes

• Schemas will be added in a new PR
• Will only be enabled on internal for now

Testing

• Use the Asana > get user operation (only schema present in this PR)
• Enable the feature flag localStorage.setItem('N8N_EXPERIMENT_OVERRIDES', JSON.stringify({ '028_schema_preview': true }));
• Node after Asana node should show schema preview
• Any other node/operation should be unaffected

Related Linear tickets, Github issues, and Community forum posts

https://linear.app/n8n/issue/NODE-2293/display-schema-preview-for-unexecuted-nodes

Review / Merge checklist

• PR title and summary are descriptive. (conventions)
• Docs updated or follow-up ticket created.
• Tests included.
• PR Labeled with release/backport (if the PR is an urgent fix that needs to be backported)

[codecov]

Codecov Report

Attention: Patch coverage is 74.27184% with 53 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...ckages/editor-ui/src/stores/schemaPreview.store.ts	37.50%	20 Missing ⚠️
packages/editor-ui/src/api/schemaPreview.ts	16.66%	15 Missing ⚠️
packages/editor-ui/src/components/RunData.vue	54.83%	13 Missing and 1 partial ⚠️
...ackages/editor-ui/src/components/VirtualSchema.vue	94.02%	3 Missing and 1 partial ⚠️

📢 Thoughts on this report? Let us know!

[dana-gill]

only works for ActiveCampaign Get :)

[cypress]

n8n    Run #9033

Run Properties:   Passed #9033  •  7fa7d0c709: 🌳 🖥️ browsers:node18.12.0-chrome107 🤖 elsmr 🗃️ e2e/*

Project	n8n
Branch Review	node-2293-display-schema-preview-for-unexecuted-nodes
Run status	Passed #9033
Run duration	04m 21s
Commit	7fa7d0c709: 🌳 🖥️ browsers:node18.12.0-chrome107 🤖 elsmr 🗃️ e2e/*
Committer	Elias Meire
View all properties for this run ↗︎

---

Test results
Failures	0
Flaky	0
Pending	5
Skipped	0
Passing	432
View all changes introduced in this branch ↗︎

[github-actions]

✅ All Cypress E2E specs passed