Ignore resolution to function without arguments on LHS of '::'

In the expression "Runnable::run" we were resolving the left-hand side to the
SAM constructor of Runnable. Now we detect this situation, ignore the result of
such resolution, and continue resolving the LHS as a type

compiler/testData/diagnostics/tests/callableReference/bound/functionCallWithoutArguments.kt

@@ -0,0 +1 @@
+fun test() = ("").<!FUNCTION_CALL_EXPECTED!>hashCode<!>::hashCode