Resolve for rem/modAssign and mod/remAssign

rem/remAssign always wins if it is possible

compiler/testData/diagnostics/tests/operatorRem/remAndRemAssignAmbiguity.kt

@@ -0,0 +1,12 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+object RemAndRemAssign {
+    operator fun rem(x: Int) = RemAndRemAssign
+}
+
+operator fun RemAndRemAssign.remAssign(x: Int) {}
+
+fun test() {
+    var c = RemAndRemAssign
+    c <!ASSIGN_OPERATOR_AMBIGUITY!>%=<!> 1
+}