[NI] Use new type substitutor instead of old in completion of callable references

It's necessary because of new type substitutor is eager than odl, so
  if there is a substitution of type parameter deep inside type arguments
  then second substitutor wins against first

#KT-35896 Fixed

compiler/testData/diagnostics/tests/callableReference/generic/kt35896.fir.kt

@@ -0,0 +1,15 @@
+// !LANGUAGE: +NewInference
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+// ISSUE: KT-35896
+
+interface B<E, SC>
+
+class Inv<T>
+
+class Foo<T>(x: Int): B<T, Inv<T>>
+
+fun <T1, T2, S> bar(list: T2, fn: (S) -> B<T1, T2>) {}
+
+fun <K> foo(list: Inv<K>) {
+    bar(list, ::Foo)
+}

compiler/testData/diagnostics/tests/callableReference/generic/kt35896.kt

@@ -0,0 +1,15 @@
+// !LANGUAGE: +NewInference
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+// ISSUE: KT-35896
+
+interface B<E, SC>
+
+class Inv<T>
+
+class Foo<T>(x: Int): B<T, Inv<T>>
+
+fun <T1, T2, S> bar(list: T2, fn: (S) -> B<T1, T2>) {}
+
+fun <K> foo(list: Inv<K>) {
+    bar(list, ::Foo)
+}

compiler/testData/diagnostics/tests/callableReference/generic/kt35896.txt

@@ -0,0 +1,24 @@
+package
+
+public fun </*0*/ T1, /*1*/ T2, /*2*/ S> bar(/*0*/ list: T2, /*1*/ fn: (S) -> B<T1, T2>): kotlin.Unit
+public fun </*0*/ K> foo(/*0*/ list: Inv<K>): kotlin.Unit
+
+public interface B</*0*/ E, /*1*/ SC> {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class Foo</*0*/ T> : B<T, Inv<T>> {
+    public constructor Foo</*0*/ T>(/*0*/ x: kotlin.Int)
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class Inv</*0*/ T> {
+    public constructor Inv</*0*/ T>()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}