[tree generator] Minor: pass model inside ImplementationConfigurator

Needed for config across many elements in subsequent commits.

^KT-65773 In Progress

compiler/ir/ir.tree/tree-generator/src/org/jetbrains/kotlin/ir/generator/ImplementationConfigurator.kt

@@ -6,14 +6,15 @@
 package org.jetbrains.kotlin.ir.generator
 
 import org.jetbrains.kotlin.ir.generator.config.AbstractIrTreeImplementationConfigurator
+import org.jetbrains.kotlin.ir.generator.model.Element
 
 object ImplementationConfigurator : AbstractIrTreeImplementationConfigurator() {
-    override fun configure(): Unit = with(IrTree) {
+    override fun configure(model: Model): Unit = with(IrTree) {
         impl(simpleFunction)
         impl(property)
     }
 
-    override fun configureAllImplementations() {
+    override fun configureAllImplementations(model: Model) {
         // Use configureFieldInAllImplementations to customize certain fields in all implementation classes
     }
 }