[NI] Turn off KnownTypeParameterSubstitutor for NI

The main consequence of it is that TYPE_MISMATCH range for control
structures became wider.

Also, for extra safety, don't change behaviour of OI.

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/ObjectExpression.kt

@@ -1,3 +1,5 @@
+// !WITH_NEW_INFERENCE
+
 fun bar(x: Int): Int = x + 1
 
 fun foo() {
@@ -5,6 +7,6 @@ fun foo() {
 
     val <!UNUSED_VARIABLE!>a<!> = object {
         fun baz() = bar(if (x == null) 0 else <!DEBUG_INFO_SMARTCAST!>x<!>)
-        fun quux(): Int = if (x == null) <!TYPE_MISMATCH, DEBUG_INFO_CONSTANT!>x<!> else <!DEBUG_INFO_SMARTCAST!>x<!>
+        fun quux(): Int = <!NI;TYPE_MISMATCH!>if (x == null) <!OI;TYPE_MISMATCH, DEBUG_INFO_CONSTANT!>x<!> else <!DEBUG_INFO_SMARTCAST!>x<!><!>
     }
 }

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/Return.kt

@@ -9,7 +9,7 @@ fun foo(): Int {
     if (x != null) return x
     
     val y: Int? = null
-    if (y == null) return if (<!SENSELESS_COMPARISON!><!DEBUG_INFO_CONSTANT!>y<!> != null<!>) y else <!TYPE_MISMATCH, DEBUG_INFO_CONSTANT!>y<!>
+    if (y == null) return <!NI;TYPE_MISMATCH, NI;TYPE_MISMATCH!>if (<!SENSELESS_COMPARISON!><!DEBUG_INFO_CONSTANT!>y<!> != null<!>) y else <!OI;TYPE_MISMATCH, DEBUG_INFO_CONSTANT!>y<!><!>
     
     val z: Int? = null
     if (z != null) return if (<!SENSELESS_COMPARISON!>z == null<!>) z else z