<fix>[softwarePackage]: make installPath optional

make installPath optional in APIUploadAndExecuteSoftwareUpgradePackageMsg

Resolves: ZSV-11712

Change-Id: I66777a686472776571716375656a6f6c75726773

Author: taogan21

sdk/src/main/java/org/zstack/sdk/softwarePackage/header/UploadAndExecuteSoftwareUpgradePackageAction.java

@@ -34,7 +34,7 @@ public Result throwExceptionIfError() {
     @Param(required = false, maxLength = 1024, nonempty = false, nullElements = false, emptyString = true, noTrim = false)
     public java.lang.String url;
 
-    @Param(required = true, maxLength = 1024, nonempty = false, nullElements = false, emptyString = true, noTrim = false)
+    @Param(required = false, maxLength = 1024, nonempty = false, nullElements = false, emptyString = true, noTrim = false)
     public java.lang.String installPath;
 
     @Param(required = false, validValues = {"Normal","Reexecute"}, nonempty = false, nullElements = false, emptyString = true, noTrim = false)