K2: use MutableOrEmptyList for annotations storage in FIR elements

compiler/fir/fir-deserialization/src/org/jetbrains/kotlin/fir/deserialization/ClassDeserialization.kt

@@ -223,8 +223,9 @@ fun deserializeClassToSymbol(
                 (member as FirProperty?)?.returnTypeRef?.coneTypeSafe()
             } ?: computeValueClassRepresentation(this, session)
 
-        (annotations as MutableList<FirAnnotation>) +=
+        replaceAnnotations(
             context.annotationDeserializer.loadClassAnnotations(classProto, context.nameResolver)
+        )
 
         versionRequirementsTable = context.versionRequirementTable
 

compiler/fir/fir-deserialization/src/org/jetbrains/kotlin/fir/deserialization/FirMemberDeserializer.kt

@@ -266,10 +266,11 @@ class FirMemberDeserializer(private val c: FirDeserializationContext) {
                 effectiveVisibility
             )
         }.apply {
-            (annotations as MutableList<FirAnnotation>) +=
+            replaceAnnotations(
                 c.annotationDeserializer.loadPropertyGetterAnnotations(
                     c.containerSource, proto, local.nameResolver, local.typeTable, getterFlags
                 )
+            )
             containingClassForStaticMemberAttr = c.dispatchReceiver?.lookupTag
         }
     }
@@ -324,10 +325,11 @@ class FirMemberDeserializer(private val c: FirDeserializationContext) {
                 effectiveVisibility
             )
         }.apply {
-            (annotations as MutableList<FirAnnotation>) +=
+            replaceAnnotations(
                 c.annotationDeserializer.loadPropertySetterAnnotations(
                     c.containerSource, proto, local.nameResolver, local.typeTable, setterFlags
                 )
+            )
             containingClassForStaticMemberAttr = c.dispatchReceiver?.lookupTag
         }
     }