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/testsWithStdLib/assert/safeCall.kt

@@ -4,7 +4,7 @@
 
 fun test1(s: String?) {
     assert(s!!.isEmpty())
-    <!SAFE_CALL_WILL_CHANGE_NULLABILITY!>s<!UNNECESSARY_SAFE_CALL!>?.<!>length<!>
+    s<!UNNECESSARY_SAFE_CALL!>?.<!>length
 }
 
 fun test2(s: String?) {
@@ -20,7 +20,7 @@ fun test3(s: String?) {
 fun test4() {
     val s: String? = null;
     assert(s!!.isEmpty())
-    <!SAFE_CALL_WILL_CHANGE_NULLABILITY!>s<!UNNECESSARY_SAFE_CALL!>?.<!>length<!>
+    s<!UNNECESSARY_SAFE_CALL!>?.<!>length
 }
 
 fun test5() {