DescriptorRenderedImpl: fix order of val & vararg modifier for actual class

#KT-31921 Fixed

idea/testData/multiModuleQuickFix/expectClassWithVararg/header/My.kt

@@ -0,0 +1,2 @@
+// My: to be implemented
+// DISABLE-ERRORS

idea/testData/multiModuleQuickFix/expectClassWithVararg/header/My.kt.after

@@ -0,0 +1,3 @@
+// My: to be implemented
+// DISABLE-ERRORS
+expect annotation class My(vararg val arg: String) 

idea/testData/multiModuleQuickFix/expectClassWithVararg/jvm/My.kt

@@ -0,0 +1,4 @@
+// "Create expected annotation class in common module testModule_Common" "true"
+// DISABLE-ERRORS
+
+actual annotation class <caret>My actual constructor(actual vararg val arg: String)

idea/testData/multiModuleQuickFix/expectClassWithVararg/jvm/My.kt.after

@@ -0,0 +1,4 @@
+// "Create expected annotation class in common module testModule_Common" "true"
+// DISABLE-ERRORS
+
+actual annotation class My actual constructor(actual vararg val arg: String)