Add paragraph to last motion (#1956)

Fix #1954

helix-term/src/commands.rs

@@ -905,10 +905,11 @@ fn move_next_long_word_end(cx: &mut Context) {
 
 fn move_para_impl<F>(cx: &mut Context, move_fn: F)
 where
-    F: Fn(RopeSlice, Range, usize, Movement) -> Range,
+    F: Fn(RopeSlice, Range, usize, Movement) -> Range + 'static,
 {
     let count = cx.count();
-    let (view, doc) = current!(cx.editor);
+    let motion = move |editor: &mut Editor| {
+        let (view, doc) = current!(editor);
         let text = doc.text().slice(..);
         let behavior = if doc.mode == Mode::Select {
             Movement::Extend
@@ -921,6 +922,9 @@ where
             .clone()
             .transform(|range| move_fn(text, range, count, behavior));
         doc.set_selection(view.id, selection);
+    };
+    motion(cx.editor);
+    cx.editor.last_motion = Some(Motion(Box::new(motion)));
 }
 
 fn move_prev_paragraph(cx: &mut Context) {