Revert multi-profile (#4812)

* Revert "multi-profile follow up. (#4802)"

This reverts commit 2b2ed470c1.

* Revert "multi profile (#4532)"

This reverts commit 04e586d07b.

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu-latest-8-cores)

* Re-run CI after snapshots

* Re-run CI after snapshots

* A snapshot a day keeps the bugs away! 📷🐛 (OS: windows-latest-8-cores)

* Re-run CI after snapshots

* Add `fixme` to onboarding test

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

src/lang/modifyAst/addEdgeTreatment.test.ts

@@ -275,7 +275,7 @@ const runModifyAstCloneWithEdgeTreatmentAndTag = async (
   const selection: Selections = {
     graphSelections: segmentRanges.map((segmentRange) => {
       const maybeArtifact = [...artifactGraph].find(([, a]) => {
-        if (!('codeRef' in a && a.codeRef)) return false
+        if (!('codeRef' in a)) return false
         return isOverlap(a.codeRef.range, segmentRange)
       })
       return {