Replace findPlugin with withType Gradle api

(cherry picked from commit 7ca872c)

Author: hfmehmed

gradle-plugin/src/main/kotlin/com/google/devtools/ksp/gradle/utils/kgpUtils.kt

@@ -15,7 +15,7 @@ internal val KotlinCompilation<*>.allKotlinSourceSetsObservable
 internal val KotlinCompilation<*>.kotlinSourceSetsObservable
     get() = this.kotlinSourceSets as ObservableSet<KotlinSourceSet>
 
-fun Project.isKotlinBaseApiPluginApplied() = plugins.findPlugin(KotlinBaseApiPlugin::class.java) != null
+fun Project.isKotlinBaseApiPluginApplied() = plugins.withType(KotlinBaseApiPlugin::class.java).firstOrNull() != null
 
 fun Project.isKotlinAndroidPluginApplied() = pluginManager.hasPlugin("org.jetbrains.kotlin.android")