[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/resolve/invoke/errors/invisibleInvoke.fir.kt

@@ -5,6 +5,6 @@ class My {
 }
 
 fun My.foo(i: Int) {
-    <!INAPPLICABLE_CANDIDATE!>i<!>("")
-    <!INAPPLICABLE_CANDIDATE!>1("")<!>
+    <!HIDDEN!>i<!>("")
+    <!HIDDEN!>1("")<!>
 }

compiler/testData/diagnostics/tests/resolve/invoke/functionExpectedWhenSeveralInvokesExist.fir.kt

@@ -7,8 +7,8 @@ fun Int.invoke(a: Int, b: Int) {}
 class SomeClass
 
 fun test(identifier: SomeClass, fn: String.() -> Unit) {
-    <!INAPPLICABLE_CANDIDATE!>identifier<!>()
+    <!NONE_APPLICABLE!>identifier<!>()
     <!INAPPLICABLE_CANDIDATE!>identifier<!>(123)
     <!INAPPLICABLE_CANDIDATE!>identifier<!>(1, 2)
     1.<!INAPPLICABLE_CANDIDATE!>fn<!>()
-}
+}

compiler/testData/diagnostics/tests/resolve/invoke/implicitInvokeAfterSafeCall.fir.kt

@@ -80,7 +80,7 @@ operator fun <T> Foo6<T>.invoke(x: Int) {}
 
 fun main(x: Bar6<String>?) {
     x?.value(1)
-    x?.value.<!INAPPLICABLE_CANDIDATE!>invoke<!>(1)
+    x?.value.<!NONE_APPLICABLE!>invoke<!>(1)
 }
 
 // Test case 7: top-level generic invoke and invoke with compatible additional dispatch recevier
@@ -108,7 +108,7 @@ operator fun Foo8<String>.invoke(x: Int) {}
 
 fun main(x: Bar8<String>?) {
     x?.value(1)
-    x?.value.<!INAPPLICABLE_CANDIDATE!>invoke<!>(1)
+    x?.value.<!NONE_APPLICABLE!>invoke<!>(1)
 }
 
 // Test case 9: additional receiver, generic invoke with pure type perameter receiver

compiler/testData/diagnostics/tests/resolve/invoke/invokeOnVariableWithExtensionFunctionType.fir.kt

@@ -17,7 +17,7 @@ fun test(a: A, b: B) {
 
         b.(foo)()
 
-        <!UNRESOLVED_REFERENCE!>(b.<!INAPPLICABLE_CANDIDATE!>foo<!>)()<!>
+        <!INAPPLICABLE_CANDIDATE!>(b.<!INAPPLICABLE_CANDIDATE!>foo<!>)()<!>
 
         foo(b)
         (foo)(b)