[communication] Migrate @azure/communication-rooms to ESM/vitest (#31840

)

### Packages impacted by this PR

- @azure/communication-rooms

### Issues associated with this PR

- #31338

### Describe the problem that is addressed by this PR

Migrates @azure/communication-rooms using our migration tool to
ESM/vitest

### What are the possible designs available to address the problem? If
there are more than one possible design, why was the one in this PR
chosen?


### Are there test cases added in this PR? _(If not, why?)_


### Provide a list of related PRs _(if any)_


### Command used to generate this PR:**_(Applicable only to SDK release
request PRs)_

### Checklists
- [ ] Added impacted package name to the issue description
- [ ] Does this PR needs any fixes in the SDK Generator?** _(If so,
create an Issue in the
[Autorest/typescript](https://github.com/Azure/autorest.typescript)
repository and link it here)_
- [ ] Added a changelog (if necessary)

sdk/communication/communication-rooms/api-extractor.json

@@ -1,6 +1,6 @@
 {
   "$schema": "https://developer.microsoft.com/json-schemas/api-extractor/v7/api-extractor.schema.json",
-  "mainEntryPointFilePath": "types/src/index.d.ts",
+  "mainEntryPointFilePath": "dist/esm/index.d.ts",
   "docModel": {
     "enabled": true
   },
@@ -11,7 +11,7 @@
   "dtsRollup": {
     "enabled": true,
     "untrimmedFilePath": "",
-    "publicTrimmedFilePath": "./types/communication-rooms.d.ts"
+    "publicTrimmedFilePath": "dist/communication-rooms.d.ts"
   },
   "messages": {
     "tsdocMessageReporting": {