[FIR] Report INAPPLICABLE_CANDIDATE or more specific diagnostic for callable references

... instead of just UNRESOLVED_REFERENCE when something went wrong
during resolution.

#KT-59401 related

compiler/testData/diagnostics/tests/callableReference/resolve/adaptedReferenceAgainstReflectionType.fir.kt

@@ -22,6 +22,6 @@ object Local {
     fun baz(x: Int, y: Int = 0): Int = 0
 
     fun test() {
-        bar(::<!UNRESOLVED_REFERENCE!>baz<!>)
+        bar(::<!INAPPLICABLE_CANDIDATE!>baz<!>)
     }
 }

compiler/testData/diagnostics/tests/callableReference/resolve/compatibilityWarningOnReferenceAgainstReflectiveType.fir.kt

@@ -22,6 +22,6 @@ object Local {
     fun baz(x: Int, y: Int = 0): Int = 0
 
     fun test() {
-        bar(::<!UNRESOLVED_REFERENCE!>baz<!>)
+        bar(::<!INAPPLICABLE_CANDIDATE!>baz<!>)
     }
 }

compiler/testData/diagnostics/tests/callableReference/resolve/kt35887_simple.fir.kt

@@ -5,4 +5,4 @@ import kotlin.reflect.KProperty0
 object A
 
 fun <TProperty> property0(property: KProperty0<TProperty>) = A
-val <K> K.key get() : A = property0(Map.Entry<K, *>::<!UNRESOLVED_REFERENCE!>key<!>) // should be forbidden
+val <K> K.key get() : A = property0(Map.Entry<K, *>::<!INAPPLICABLE_CANDIDATE!>key<!>) // should be forbidden

compiler/testData/diagnostics/tests/callableReference/resolve/resolveCallableReferencesAfterAllSimpleArguments.fir.kt

@@ -10,6 +10,6 @@ fun <T> baz(e: T, f: (T) -> Unit) {}
 
 fun test(a: A, b: B) {
     // Note that diagnostic is always on callable references as they are resolved after simple arguments
-    baz(a, ::<!UNRESOLVED_REFERENCE!>fooB<!>)
-    bar(::<!UNRESOLVED_REFERENCE!>fooB<!>, a)
+    baz(a, ::<!INAPPLICABLE_CANDIDATE!>fooB<!>)
+    bar(::<!INAPPLICABLE_CANDIDATE!>fooB<!>, a)
 }