[FIR2IR] Pass value parameter name to createDefaultSetterParameter if it exists

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt

@@ -299,11 +299,12 @@ class Fir2IrDeclarationStorage(
         startOffset: Int,
         endOffset: Int,
         type: IrType,
-        parent: IrFunction
+        parent: IrFunction,
+        name: Name? = null
     ): IrValueParameter {
         return irFactory.createValueParameter(
             startOffset, endOffset, IrDeclarationOrigin.DEFINED, IrValueParameterSymbolImpl(),
-            SpecialNames.IMPLICIT_SET_PARAMETER, 0, type,
+            name ?: SpecialNames.IMPLICIT_SET_PARAMETER, 0, type,
             varargElementType = null,
             isCrossinline = false, isNoinline = false,
             isHidden = false, isAssignable = false

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/lazy/Fir2IrLazyPropertyAccessor.kt

@@ -88,13 +88,15 @@ class Fir2IrLazyPropertyAccessor(
                 )
 
                 if (isSetter) {
+                    val valueParameter = firAccessor?.valueParameters?.firstOrNull()
                     add(
                         declarationStorage.createDefaultSetterParameter(
                             startOffset, endOffset,
-                            (firAccessor?.valueParameters?.firstOrNull()?.returnTypeRef ?: firParentProperty.returnTypeRef).toIrType(
+                            (valueParameter?.returnTypeRef ?: firParentProperty.returnTypeRef).toIrType(
                                 typeConverter, conversionTypeContext
                             ),
-                            parent = this@Fir2IrLazyPropertyAccessor
+                            parent = this@Fir2IrLazyPropertyAccessor,
+                            name = valueParameter?.name
                         )
                     )
                 }