Annotation / modifier checking for setter parameters / for variables / multi declarations, tests, relevant test changes #KT-9145 Fixed

compiler/testData/diagnostics/tests/annotations/options/setterParam.kt

@@ -0,0 +1,8 @@
+// KT-9145
+
+@Target(AnnotationTarget.CLASS)
+annotation class Ann
+
+var x: Int
+    get() = 1
+    set(<!WRONG_ANNOTATION_TARGET!>@Ann<!> <!WRONG_MODIFIER_TARGET!>private<!> x) { }