fix(projects): doc version and lastModified is not updated after DocumentChangeEvent

subprojects/projects/src/main/java/com/itsaky/androidide/projects/FileManager.kt

@@ -121,6 +121,9 @@ object FileManager : EventReceiver {
       return
     }
 
+    document.version = event.version
+    document.modified = Instant.now()
+
     // document is already open
     // patch the changes
     document.patch(event)

subprojects/projects/src/main/java/com/itsaky/androidide/projects/models/ActiveDocument.kt

@@ -33,8 +33,8 @@ import java.time.Instant
  */
 open class ActiveDocument(
   val file: Path,
-  val version: Int,
-  val modified: Instant,
+  var version: Int,
+  var modified: Instant,
   content: String = ""
 ) : Closeable {