Added modifiers to scroll wheel eevent

crates/gpui/src/platform/event.rs

@@ -24,6 +24,10 @@ pub struct ScrollWheelEvent {
     pub position: Vector2F,
     pub delta: Vector2F,
     pub precise: bool,
+    pub ctrl: bool,
+    pub alt: bool,
+    pub shift: bool,
+    pub cmd: bool,
 }
 
 #[derive(Hash, PartialEq, Eq, Copy, Clone, Debug)]