Eel: add a method to convert EelProcess to the JVM Process.

It might be used by legacy API that isn't aware of Eel.


Merge-request: IJ-MR-144282
Merged-by: Ilya Kazakevich <ilya.kazakevich@jetbrains.com>

GitOrigin-RevId: 1225131b701594637c982c1f1fd97fa0d7cb007a

platform/eel/src/com/intellij/platform/eel/EelProcess.kt

@@ -66,6 +66,12 @@ interface EelProcess {
    */
   suspend fun kill()
 
+  /**
+   * Converts to the JVM [Process] which can be used instead of [EelProcess] for compatibility reasons.
+   * Note: After conversion, this [EelProcess] shouldn't be used: Use result [Process] instead
+   */
+  fun convertToJavaProcess(): Process
+
   @Throws(ResizePtyError::class)  // Can't use @CheckReturnValue: KTIJ-7061
   suspend fun resizePty(columns: Int, rows: Int)