FIR2IR: Imitate K1 behavior when SAM type has a bit different shape

See the relevant test at t/
estData/codegen/box/sam/contravariantIntersectionType.kt

After the previous commit, when generating a call for `doOnSuccess {}`,
we have a SAM type with removed projection Consumer<Any?>, while
real function type of the lambda is a bit different
(Function1<ConcreteType & ConcreteType2>).

While for me, that looks questionable, but in K1 it was effectively
resolved via the same implicit cast that on JVM is generated to an
INVOKEDYNAMIC that wraps initial function-typed value.

^KT-53552 Fixed

compiler/testData/ir/irText/firProblems/kt19251.fir.kt.txt

@@ -7,5 +7,5 @@ fun box(): String {
   return map.computeIfAbsent(p0 = fn, p1 = local fun <anonymous>(it: @EnhancedNullability Fun): @EnhancedNullability String {
     return "OK"
   }
- /*-> @EnhancedNullability Function<Any?, @EnhancedNullability String> */) /*!! String */
+ /*as Function1<@EnhancedNullability Any?, @EnhancedNullability String> */ /*-> @EnhancedNullability Function<Any?, @EnhancedNullability String> */) /*!! String */
 }