🌱 Rename collision test scenario to describe user-visible behavior

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Per G. da Silva

test/e2e/features/update.feature

@@ -341,7 +341,7 @@ Feature: Update ClusterExtension
 
   @BoxcutterRuntime
   @DeploymentConfig
-  Scenario: A conflicting ClusterExtension with a higher revision does not take over resources from the original owner
+  Scenario: Cannot install a ClusterExtension that refers to an already installed bundle
     Given ClusterExtension is applied
       """
       apiVersion: olm.operatorframework.io/v1