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/inference/nestedCalls/makeNullableIfSafeCall.fir.kt

@@ -0,0 +1,41 @@
+package a
+
+interface A {
+    val b: B
+    val nb: B?
+}
+
+interface B {
+    fun foo(): Int
+}
+
+fun test(u: A?, x: A?, y: A?, z: A?, w: A, v: A?) {
+    u?.b?.foo()!! // was UNNECESSARY_SAFE_CALL everywhere, because result type (of 'foo()') wasn't made nullable
+    u<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.b<!UNNECESSARY_SAFE_CALL!>?.<!>foo()!!
+    x?.b!!.foo()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
+    // x?.b is not null
+    x<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.b<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.foo()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
+
+    y?.nb?.foo()!!
+    y<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.nb?.foo()!!
+    z?.nb!!.foo()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
+    // z?.nb is not null
+    z<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.nb!!.foo()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
+
+    w.b<!UNNECESSARY_SAFE_CALL!>?.<!>foo()!!
+    w.b<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.foo()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
+    w.nb?.foo()!!
+    w.nb!!.foo()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
+
+    v!!.b.foo()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
+}
+
+fun B?.bar(): Int = 1
+fun B?.baz(): Int? = 1
+
+fun doInt(i: Int) = i
+
+fun test(a: A?) {
+    doInt(a?.b.bar()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>)
+    doInt(a?.b.baz()!!)
+}