Merge branch 'c-0' into 'feature-zsv-5.0.0-vm-support-vtpm-and-secuceboot'

<fix>[kvm]: fix invalid edk version tag error

See merge request zstackio/zstack!9503

Author: gitlab

plugin/kvm/src/main/java/org/zstack/kvm/BootKvmStartVmExtension.java

@@ -1,5 +1,6 @@
 package org.zstack.kvm;
 
+import org.apache.commons.lang.StringUtils;
 import org.zstack.compute.vm.VmSystemTags;
 import org.zstack.header.errorcode.ErrorCode;
 import org.zstack.header.vm.VmInstanceInventory;
@@ -47,7 +48,7 @@ public void afterReceiveVmDeviceInfoResponse(VmInstanceInventory vm, KVMAgentCom
 
     @SuppressWarnings("unchecked")
     private void saveVmEdkStatesFromCommand(String vmUuid, KVMAgentCommands.VmDevicesInfoResponse rsp) {
-        if (rsp.getEdkRpm() == null) {
+        if (StringUtils.isEmpty(rsp.getEdkRpm())) {
             VM_EDK.deleteInherentTag(vmUuid);
             return;
         }