prevent the mode from changing during a click (#273)

Fixes mouse buttons getting stuck if trigger is released in a different
mode than the initial click.

wlx-overlay-s/src/backend/input.rs

@@ -72,6 +72,8 @@ impl InputState {
                 hand.last_click = Instant::now();
             }
 
+            // Prevent the mode from changing during a click
+            if !hand.before.click {
                 if hand.now.click_modifier_right {
                     hand.interaction.mode = PointerMode::Right;
                     continue;
@@ -109,6 +111,7 @@ impl InputState {
                     }
                     _ => {}
                 }
+            }
 
             if hand.now.alt_click != hand.before.alt_click {
                 // Reap previous processes