[java] Don't use project as disposable

Introduces `JavaPluginDisposable` and migrates existing project disposables to the new project level service. #IDEA-383890 Fixed

GitOrigin-RevId: 762429b8f44959e127324d19053a8b05a818f414

java/openapi/src/com/intellij/java/JavaPluginDisposable.kt

@@ -0,0 +1,24 @@
+// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+package com.intellij.java
+
+import com.intellij.openapi.Disposable
+import com.intellij.openapi.components.Service
+import com.intellij.openapi.components.service
+import com.intellij.openapi.project.Project
+import kotlinx.coroutines.CoroutineScope
+import org.jetbrains.annotations.ApiStatus
+
+/**
+ * A project level disposable for the Java plugin.
+ * Use this class instead of passing [Project] as a disposable to make sure your resource gets disposed when the Java plugin is unloaded.
+ */
+@ApiStatus.Internal
+@Service(Service.Level.PROJECT)
+class JavaPluginDisposable(val coroutineScope: CoroutineScope) : Disposable {
+  override fun dispose() { }
+
+  companion object {
+    @JvmStatic
+    fun getInstance(project: Project): JavaPluginDisposable = project.service<JavaPluginDisposable>()
+  }
+}