[FIR] Improve diagnostic reporting & don't use error symbol for candidate if possible

Also introduce few new diagnostics:
- NONE_APPLICABLE more many inapplicable candidates
- HIDDEN for visible candidates

compiler/testData/diagnostics/tests/annotations/annotationRenderingInTypes.fir.kt

@@ -4,7 +4,7 @@
 
 fun f1(x: String) {}
 fun f2(f: () -> Unit) {}
-fun test1() = <!INAPPLICABLE_CANDIDATE!>f2<!>(::f1)
+fun test1() = <!INAPPLICABLE_CANDIDATE!>f2<!>(<!UNRESOLVED_REFERENCE!>::f1<!>)
 
 
 @Target(AnnotationTarget.TYPE_PARAMETER,  AnnotationTarget.TYPE)