Analysis API: use FirSymbol in KtFirSymbol's instead of FirDeclaration

^KT-50271 fixed

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

@@ -54,6 +54,8 @@ public abstract class KtEnumEntrySymbol : KtVariableLikeSymbol(), KtSymbolWithMe
     final override val symbolKind: KtSymbolKind get() = KtSymbolKind.CLASS_MEMBER
     final override val isExtension: Boolean get() = false
     final override val receiverType: KtType? get() = null
+
+    //todo reduntant, remove
     public abstract val containingEnumClassIdIfNonLocal: ClassId?
 
     abstract override fun createPointer(): KtSymbolPointer<KtEnumEntrySymbol>