[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/syntheticExtensions/samAdapters/PackageLocal.fir.kt

@@ -4,7 +4,7 @@ package k
 import JavaClass
 
 fun foo(javaClass: JavaClass) {
-    javaClass.<!INAPPLICABLE_CANDIDATE!>doSomething<!> { }
+    javaClass.<!HIDDEN!>doSomething<!> { }
 }
 
 // FILE: KotlinFile2.kt
@@ -15,4 +15,4 @@ fun foo(javaClass: JavaClass) {
 // FILE: JavaClass.java
 public class JavaClass {
     void doSomething(Runnable runnable) { runnable.run(); }
-}
+}

compiler/testData/diagnostics/tests/syntheticExtensions/samAdapters/Private.fir.kt

@@ -1,10 +1,10 @@
 // !WITH_NEW_INFERENCE
 // FILE: KotlinFile.kt
 fun foo(javaClass: JavaClass) {
-    javaClass.<!INAPPLICABLE_CANDIDATE!>doSomething<!> { }
+    javaClass.<!HIDDEN!>doSomething<!> { }
 }
 
 // FILE: JavaClass.java
 public class JavaClass {
     private void doSomething(Runnable runnable) { runnable.run(); }
-}
+}

compiler/testData/diagnostics/tests/syntheticExtensions/samAdapters/Protected.fir.kt

@@ -4,7 +4,7 @@ package k
 import JavaClass
 
 fun foo(javaClass: JavaClass) {
-    javaClass.<!INAPPLICABLE_CANDIDATE!>doSomething<!> {
+    javaClass.<!HIDDEN!>doSomething<!> {
         bar()
     }
 }

compiler/testData/diagnostics/tests/syntheticExtensions/samAdapters/overloadResolution.fir.kt

@@ -32,5 +32,5 @@ fun x(a: A, r: Runnable) {
     a.bar(null as CharSequence?) checkType { _<String>() }
 
     a.bar("") checkType { _<String>() }
-    a.<!INAPPLICABLE_CANDIDATE!>bar<!>(123)
+    a.<!NONE_APPLICABLE!>bar<!>(123)
 }

compiler/testData/diagnostics/tests/syntheticExtensions/samAdapters/overloadResolutionStatic.fir.kt

@@ -32,5 +32,5 @@ fun x(r: Runnable) {
     A.bar(null as CharSequence?) checkType { _<String>() }
 
     A.bar("") checkType { _<String>() }
-    A.<!INAPPLICABLE_CANDIDATE!>bar<!>(123)
+    A.<!NONE_APPLICABLE!>bar<!>(123)
 }

compiler/testData/diagnostics/tests/syntheticExtensions/samAdapters/overloadResolutionStaticWithoutRefinedSams.fir.kt

@@ -33,5 +33,5 @@ fun x(r: Runnable) {
     A.bar(null as CharSequence?) checkType { _<String>() }
 
     A.bar("") checkType { _<String>() }
-    A.<!INAPPLICABLE_CANDIDATE!>bar<!>(123)
+    A.<!NONE_APPLICABLE!>bar<!>(123)
 }

compiler/testData/diagnostics/tests/syntheticExtensions/samAdapters/overloadResolutionWithoutRefinedSams.fir.kt

@@ -33,5 +33,5 @@ fun x(a: A, r: Runnable) {
     a.bar(null as CharSequence?) checkType { _<String>() }
 
     a.bar("") checkType { _<String>() }
-    a.<!INAPPLICABLE_CANDIDATE!>bar<!>(123)
+    a.<!NONE_APPLICABLE!>bar<!>(123)
 }