multi profile (#4532)

* multi-profile work

* another test

* clean up

* cover a quirk with a test

* last of tests

* fix typos

* Fix source range in snap test

---------

Co-authored-by: Jonathan Tran <jonnytran@gmail.com>

src/lang/std/engineConnection.ts

@@ -2213,7 +2213,11 @@ export class EngineCommandManager extends EventTarget {
     commandTypeToTarget: string
   ): string | undefined {
     for (const [artifactId, artifact] of this.artifactGraph) {
-      if ('codeRef' in artifact && isOverlap(range, artifact.codeRef.range)) {
+      if (
+        'codeRef' in artifact &&
+        artifact.codeRef &&
+        isOverlap(range, artifact.codeRef.range)
+      ) {
         if (commandTypeToTarget === artifact.type) return artifactId
       }
     }