KT-6244 Overloads with no default parameters should take over ones with defaults

#KT-6244 Fixed

compiler/testData/diagnostics/tests/callableReference/resolve/byGenericArgType.kt

@@ -7,4 +7,4 @@ fun foo(s: String) {}
 
 val x1 = ofType<() -> Unit>(::foo)
 val x2 = ofType<(String) -> Unit>(::foo)
-val x3 = ofType<(Int) -> Unit>(::<!NONE_APPLICABLE!>foo<!>)
+val x3 = ofType<(Int) -> Unit>(<!TYPE_MISMATCH!>::foo<!>)

compiler/testData/diagnostics/tests/callableReference/resolve/byValType.kt

@@ -3,7 +3,7 @@
 fun foo() {}
 fun foo(s: String) {}
 
-val x1 = ::<!OVERLOAD_RESOLUTION_AMBIGUITY!>foo<!>
+val x1 = ::foo
 val x2: () -> Unit = ::foo
 val x3: (String) -> Unit = ::foo
-val x4: (Int) -> Unit = ::<!NONE_APPLICABLE!>foo<!>
+val x4: (Int) -> Unit = <!TYPE_MISMATCH!>::foo<!>

compiler/testData/diagnostics/tests/callableReference/resolve/byValType.txt

@@ -1,6 +1,6 @@
 package
 
-internal val x1: [ERROR : Type for ::foo]
+internal val x1: kotlin.reflect.KFunction0<kotlin.Unit>
 internal val x2: () -> kotlin.Unit
 internal val x3: (kotlin.String) -> kotlin.Unit
 internal val x4: (kotlin.Int) -> kotlin.Unit

compiler/testData/diagnostics/tests/callableReference/resolve/withAs.kt

@@ -6,5 +6,5 @@ fun foo(s: String) {}
 fun bar(f: () -> Unit) = 1
 fun bar(f: (String) -> Unit) = 2
 
-val x1 = ::<!OVERLOAD_RESOLUTION_AMBIGUITY!>foo<!> as () -> Unit
-val x2 = bar(::<!OVERLOAD_RESOLUTION_AMBIGUITY!>foo<!> as (String) -> Unit)
+val x1 = ::foo <!USELESS_CAST!>as () -> Unit<!>
+val x2 = bar(<!UNCHECKED_CAST!>::foo as (String) -> Unit<!>)