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/SafeCallNonNullReceiver2.kt

@@ -3,5 +3,5 @@
 
 fun ff() {
     val i: Int = 1
-    val a: Int? = <!SAFE_CALL_WILL_CHANGE_NULLABILITY!>i<!UNNECESSARY_SAFE_CALL!>?.<!>plus(2)<!>
+    val a: Int? = i<!UNNECESSARY_SAFE_CALL!>?.<!>plus(2)
 }