windows: Fix ctrl-click open hovered URL (#30574)

Closes #30452

Release Notes:

- N/A

crates/gpui/src/platform/windows/window.rs

@@ -42,6 +42,7 @@ pub struct WindowsWindowState {
 
     pub callbacks: Callbacks,
     pub input_handler: Option<PlatformInputHandler>,
+    pub last_reported_modifiers: Option<Modifiers>,
     pub system_key_handled: bool,
     pub hovered: bool,
 
@@ -100,6 +101,7 @@ impl WindowsWindowState {
         let renderer = windows_renderer::init(gpu_context, hwnd, transparent)?;
         let callbacks = Callbacks::default();
         let input_handler = None;
+        let last_reported_modifiers = None;
         let system_key_handled = false;
         let hovered = false;
         let click_state = ClickState::new();
@@ -118,6 +120,7 @@ impl WindowsWindowState {
             min_size,
             callbacks,
             input_handler,
+            last_reported_modifiers,
             system_key_handled,
             hovered,
             renderer,