Uast: keeping annotations from sources in non-light-methods backed UMethods (KT-27806)

plugins/uast-kotlin/testData/DeprecatedHidden.log.txt

@@ -4,4 +4,11 @@ UFile (package = test.pkg)
             UBlockExpression
         UMethod (name = Test)
         UMethod (name = test2)
+            UAnnotation (fqName = kotlin.Deprecated)
+                UNamedExpression (name = level)
+                    UQualifiedReferenceExpression
+                        USimpleNameReferenceExpression (identifier = DeprecationLevel)
+                        USimpleNameReferenceExpression (identifier = HIDDEN)
+                UNamedExpression (name = message)
+                    ULiteralExpression (value = "nothing")
             UBlockExpression

plugins/uast-kotlin/testData/DeprecatedHidden.render.txt

@@ -4,6 +4,7 @@ public final class Test {
     public final fun test1() : void {
     }
     public fun Test() = UastEmptyExpression
+    @kotlin.Deprecated(level = DeprecationLevel.HIDDEN, message = "nothing")
     fun test2() {
     }
 }