respect count for repeating motion (#3057)

helix-term/src/commands.rs

@@ -1224,9 +1224,12 @@ fn extend_prev_char(cx: &mut Context) {
 }
 
 fn repeat_last_motion(cx: &mut Context) {
+    let count = cx.count();
     let last_motion = cx.editor.last_motion.take();
     if let Some(m) = &last_motion {
+        for _ in 0..count {
             m.run(cx.editor);
+        }
         cx.editor.last_motion = last_motion;
     }
 }