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/function/classMemberVsConstructorLikeFunction.kt

@@ -0,0 +1,16 @@
+// FILE: Foo.kt
+
+package test
+
+class Foo {
+    fun bar() {}
+}
+
+// FILE: test.kt
+
+import test.Foo
+
+fun Foo(): String = ""
+
+val f = Foo::bar
+val g = Foo::<!UNRESOLVED_REFERENCE!>length<!>

compiler/testData/diagnostics/tests/callableReference/function/classMemberVsConstructorLikeFunction.txt

@@ -0,0 +1,16 @@
+package
+
+public val f: kotlin.reflect.KFunction1<test.Foo, kotlin.Unit>
+public val g: [ERROR : Type for Foo::length]
+public fun Foo(): kotlin.String
+
+package test {
+
+    public final class Foo {
+        public constructor Foo()
+        public final fun bar(): kotlin.Unit
+        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
+    }
+}