Fix select in Helix mode (#38117)

Hotfixes issue I have introduced in #37748.

Without this, helix mode select not working at all in `main` branch.

Release Notes:

- N/A

crates/vim/src/motion.rs

@@ -726,9 +726,8 @@ impl Vim {
                 self.visual_motion(motion, count, window, cx)
             }
 
-            Mode::HelixNormal | Mode::HelixSelect => {
-                self.helix_normal_motion(motion, count, window, cx)
-            }
+            Mode::HelixNormal => self.helix_normal_motion(motion, count, window, cx),
+            Mode::HelixSelect => self.helix_select_motion(motion, count, window, cx),
         }
         self.clear_operator(window, cx);
         if let Some(operator) = waiting_operator {