chore: consistent naming for organization domain (#11356)

# Which Problems Are Solved

As part of the consistent naming effort, this PR focuses on
"Organization domain".

# How the Problems Are Solved

- All terms referring referring to Organization Domains where changed to
be Organization Domain

# Additional Changes

None

# Additional Context

- closes [#11283](https://github.com/zitadel/zitadel/issues/11283)

---------

Co-authored-by: Copilot <[email protected]>

console/src/app/services/admin.service.ts

@@ -1154,7 +1154,7 @@ export class AdminService {
     return this.grpcService.admin.updateSecretGenerator(req, null).then((resp) => resp.toObject());
   }
 
-  /* org domain policy */
+  /* Organization Domain policy */
 
   public getDomainPolicy(): Promise<GetDomainPolicyResponse.AsObject> {
     const req = new GetDomainPolicyRequest();