fix: don't unregister csr clients in EventImp::reset()

Related-To: GSD-7129
Signed-off-by: Warchulski, Jaroslaw <jaroslaw.warchulski@intel.com>
Source: d1061cd

Author: jwarchul

level_zero/core/source/event/event_impl.inl

@@ -566,7 +566,7 @@ ze_result_t EventImp<TagSizeT>::reset() {
     }
 
     unsetInOrderExecInfo();
-    unsetCmdQueue();
+    latestUsedCmdQueue = nullptr;
     this->resetCompletionStatus();
     this->resetDeviceCompletionData(false);
     this->l3FlushAppliedOnKernel.reset();

level_zero/core/test/unit_tests/sources/cmdlist/test_cmdlist_1.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020-2023 Intel Corporation
+ * Copyright (C) 2020-2024 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -1359,7 +1359,7 @@ HWTEST_F(CommandListCreate, givenSignalEventWhenCallingSynchronizeThenUnregister
         zeEventHostReset(event3);
 
         zeEventHostSynchronize(event3, 1);
-        EXPECT_EQ(ultCsr->getNumClients(), 0u);
+        EXPECT_EQ(ultCsr->getNumClients(), 1u);
     }
 
     zeEventDestroy(event1);