[platform] renaming directory lock classes to better preserve their rich history (IDEA-238995)

GitOrigin-RevId: c0f3178141e65ffbe9a02bd2719296b487160cca

platform/platform-impl/src/com/intellij/idea/DirectoryLock.java

@@ -41,6 +41,7 @@ private const val PATHS_EOT_RESPONSE = "---"
 private const val ACTIVATE_COMMAND = "activate "
 private const val OK_RESPONSE = "ok"
 
+//todo rename into DirectoryLock, then replace with the new one
 class SocketLock(@JvmField val configPath: Path, @JvmField val systemPath: Path) {
   enum class ActivationStatus {
     ACTIVATED, NO_INSTANCE, CANNOT_ACTIVATE