[FIR] Implement RESOLUTION_TO_CLASSIFIER

idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/diagnostics/KtFirDataClassConverters.kt

@@ -335,6 +335,13 @@ internal val KT_DIAGNOSTIC_CONVERTER = KtDiagnosticConverterBuilder.buildConvert
             token,
         )
     }
+    add(FirErrors.RESOLUTION_TO_CLASSIFIER) { firDiagnostic ->
+        ResolutionToClassifierImpl(
+            firSymbolBuilder.classifierBuilder.buildClassLikeSymbol(firDiagnostic.a.fir),
+            firDiagnostic as FirPsiDiagnostic,
+            token,
+        )
+    }
     add(FirErrors.SUPER_IS_NOT_AN_EXPRESSION) { firDiagnostic ->
         SuperIsNotAnExpressionImpl(
             firDiagnostic as FirPsiDiagnostic,

idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/diagnostics/KtFirDiagnostics.kt

@@ -263,6 +263,11 @@ sealed class KtFirDiagnostic<PSI : PsiElement> : KtDiagnosticWithPsi<PSI> {
         abstract val type: KtType
     }
 
+    abstract class ResolutionToClassifier : KtFirDiagnostic<PsiElement>() {
+        override val diagnosticClass get() = ResolutionToClassifier::class
+        abstract val classSymbol: KtClassLikeSymbol
+    }
+
     abstract class SuperIsNotAnExpression : KtFirDiagnostic<PsiElement>() {
         override val diagnosticClass get() = SuperIsNotAnExpression::class
     }

idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/diagnostics/KtFirDiagnosticsImpl.kt

@@ -390,6 +390,14 @@ internal class FunctionExpectedImpl(
     override val firDiagnostic: FirPsiDiagnostic by weakRef(firDiagnostic)
 }
 
+internal class ResolutionToClassifierImpl(
+    override val classSymbol: KtClassLikeSymbol,
+    firDiagnostic: FirPsiDiagnostic,
+    override val token: ValidityToken,
+) : KtFirDiagnostic.ResolutionToClassifier(), KtAbstractFirDiagnostic<PsiElement> {
+    override val firDiagnostic: FirPsiDiagnostic by weakRef(firDiagnostic)
+}
+
 internal class SuperIsNotAnExpressionImpl(
     firDiagnostic: FirPsiDiagnostic,
     override val token: ValidityToken,