Don't show the cursor on programmatic movement

For keyboard-only use, especially with warp-mouse-to-focus, the
intention is that the cursor stays hidden from keyboard and other
automatic actions, and only shows up with an actual mouse movement.

src/input/mod.rs

@@ -2043,6 +2043,7 @@ impl State {
                         self.move_cursor(pos);
                     }
 
+                    self.niri.pointer_hidden = false;
                     self.niri.tablet_cursor_location = None;
                 }
             }

src/niri.rs

@@ -591,9 +591,7 @@ impl State {
         );
         pointer.frame(self);
 
-        // We moved the pointer, show it.
-        self.niri.pointer_hidden = false;
-        self.niri.reset_pointer_inactivity_timer();
+        // We do not show the pointer on programmatic or keyboard movement.
 
         // FIXME: granular
         self.niri.queue_redraw_all();