Switch kotlin version to 1.7

* Change 1.6 to 1.7 constants
* Fix SAFE_CALL_WILL_CHANGE_NULLABILITY for testData
* Change EXPOSED_PROPERTY_TYPE_IN_CONSTRUCTOR_WARNING to EXPOSED_PROPERTY_TYPE_IN_CONSTRUCTOR_ERROR
* Change NON_EXHAUSTIVE_WHEN_STATEMENT to NO_ELSE_IN_WHEN
* Fix testData for SafeCallsAreAlwaysNullable
* Change T -> T & Any in test dumps
* Change INVALID_CHARACTERS_NATIVE_WARNING -> INVALID_CHARACTERS_NATIVE_ERROR
* TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM_WARNING -> TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM_ERROR

compiler/testData/diagnostics/tests/when/NonExhaustiveWarningNull.kt

@@ -18,7 +18,7 @@ enum class X { A, B, C, D }
 
 fun foo(arg: X?): String {
     var res = "XXX"
-    <!NON_EXHAUSTIVE_WHEN_STATEMENT!>when<!> (arg) {
+    <!NO_ELSE_IN_WHEN!>when<!> (arg) {
         X.A -> res = "A"
         X.B -> res = "B"
         X.C -> res = "C"