[FIR] Add symbol to all declarations. Get rid of FirSymbolOwner

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/FirJavaVisibilityChecker.kt

@@ -22,7 +22,7 @@ object FirJavaVisibilityChecker : FirVisibilityChecker() {
         declarationVisibility: Visibility,
         symbol: FirBasedSymbol<*>,
         useSiteFile: FirFile,
-        containingDeclarations: List<FirDeclaration>,
+        containingDeclarations: List<FirDeclaration<*>>,
         dispatchReceiver: ReceiverValue?,
         session: FirSession
     ): Boolean {

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/JavaSymbolProvider.kt

@@ -371,7 +371,7 @@ class JavaSymbolProvider(
         classId: ClassId,
         javaTypeParameterStack: JavaTypeParameterStack,
         dispatchReceiver: ConeClassLikeType
-    ): FirDeclaration {
+    ): FirDeclaration<*> {
         val fieldName = javaField.name
         val fieldId = CallableId(classId.packageFqName, classId.relativeClassName, fieldName)
         val returnType = javaField.type

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/declarations/FirJavaClass.kt

@@ -37,7 +37,7 @@ class FirJavaClass @FirImplementationDetail internal constructor(
     override val annotations: MutableList<FirAnnotationCall>,
     override var status: FirDeclarationStatus,
     override val classKind: ClassKind,
-    override val declarations: MutableList<FirDeclaration>,
+    override val declarations: MutableList<FirDeclaration<*>>,
     override val scopeProvider: FirScopeProvider,
     override val symbol: FirRegularClassSymbol,
     override val superTypeRefs: MutableList<FirTypeRef>,
@@ -132,7 +132,7 @@ internal class FirJavaClassBuilder : FirRegularClassBuilder(), FirAnnotationCont
     override var resolvePhase: FirResolvePhase = FirResolvePhase.RAW_FIR
     override val annotations: MutableList<FirAnnotationCall> = mutableListOf()
     override val typeParameters: MutableList<FirTypeParameterRef> = mutableListOf()
-    override val declarations: MutableList<FirDeclaration> = mutableListOf()
+    override val declarations: MutableList<FirDeclaration<*>> = mutableListOf()
 
     override val superTypeRefs: MutableList<FirTypeRef> = mutableListOf()