Fix ShrinkIndexIT

* Move this test suit to cluster scope. Currently, `testShrinkThenSplitWithFailedNode` stops a random node which randomly turns out to be the only shared master node so the cluster reset fails on account of the fact that no shared master node survived.
* Closes elastic#44164

Author: original-brownbear

server/src/test/java/org/elasticsearch/action/admin/indices/create/ShrinkIndexIT.java

@@ -75,7 +75,7 @@
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.greaterThanOrEqualTo;
 
-@ESIntegTestCase.AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/44164")
+@ESIntegTestCase.ClusterScope(scope = ESIntegTestCase.Scope.TEST)
 public class ShrinkIndexIT extends ESIntegTestCase {
 
     @Override