[analysis api] make KtCallableSymbol to be sealed class

analysis/analysis-api/src/org/jetbrains/kotlin/analysis/api/symbols/KtCallableSymbol.kt

@@ -13,7 +13,7 @@ import org.jetbrains.kotlin.analysis.api.symbols.pointers.KtSymbolPointer
 import org.jetbrains.kotlin.analysis.api.types.KtType
 import org.jetbrains.kotlin.name.CallableId
 
-public abstract class KtCallableSymbol : KtSymbolWithKind, KtPossibleMemberSymbol, KtDeclarationSymbol {
+public sealed class KtCallableSymbol : KtSymbolWithKind, KtPossibleMemberSymbol, KtDeclarationSymbol {
     public abstract val callableIdIfNonLocal: CallableId?
     public abstract val returnType: KtType
 

analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/classes/firLightClassUtils.kt

@@ -234,6 +234,7 @@ internal fun FirLightClassBase.createMethods(
                 suppressStatic = suppressStatic
             )
             is KtConstructorSymbol -> error("Constructors should be handled separately and not passed to this function")
+            else -> { }
         }
     }