[NI] Disable capturing/approximation type in TypeSubstitutor with enabled NI

There is added a new service named `SubstitutingScopeProvider`, that
  provides factory that creates captured types and approximator for them.
  In OI they are the same as before commit, for NI they are empty, because
  that approximation interferes with NI algorithm

That service is injected into function descriptors and property descriptors
  and used for creating `SubstitutingScope` with correct services

Also there is changed time when we approximate captured types in NI
  (after all call checkers)

#KT-25290 Fixed

compiler/testData/diagnostics/tests/generics/varProjection/setterProjectedOutNoPlusAssign.kt

@@ -7,5 +7,5 @@ interface Tr<T> {
 fun test(t: Tr<out String>) {
     // resolved as t.v = t.v + null!!, where type of right operand is String,
     // so TYPE_MISMATCH: String is not <: of Captured(out String)
-    <!SETTER_PROJECTED_OUT!>t.v<!> += null!!
+    <!NI;TYPE_MISMATCH!><!SETTER_PROJECTED_OUT!>t.v<!> += null!!<!>
 }