[kotlin] project-model-updater: log settings on run

^KTIJ-35777

GitOrigin-RevId: 6c43ff8143e4393021ea06fd7f84f11b15cb5a62

plugins/kotlin/util/project-model-updater/src/org/jetbrains/tools/model/updater/Main.kt

@@ -44,6 +44,10 @@ class GeneratorPreferences(properties: Properties) : Preferences(properties) {
                 properties[parts[0]] = parts[1]
             }
 
+            println("Preferences:")
+            properties.forEach { (k, v) -> println("$k=$v") }
+            println()
+
             return GeneratorPreferences(properties)
         }
     }