[NI] Report unsafe implicit invoke accordingly to OI

There are several issues with unsafe desugaring for convention calls.
Proper fix is not implemented here (see design proposal KT-30872).
This commit only applies the old logic in the new inference.
^KT-30695 Fixed

compiler/testData/diagnostics/tests/SafeCallInvoke.fir.kt

@@ -1,4 +1,3 @@
-// !WITH_NEW_INFERENCE
 class Rule(val apply:() -> Unit)
 
 fun bar() {}