Show workspace only after initializing it

crates/gpui/src/platform.rs

@@ -173,6 +173,7 @@ pub struct WindowOptions<'a> {
     pub titlebar: Option<TitlebarOptions<'a>>,
     pub center: bool,
     pub focus: bool,
+    pub show: bool,
     pub kind: WindowKind,
     pub is_movable: bool,
     pub screen: Option<Rc<dyn Screen>>,
@@ -376,6 +377,7 @@ impl<'a> Default for WindowOptions<'a> {
             }),
             center: false,
             focus: true,
+            show: true,
             kind: WindowKind::Normal,
             is_movable: true,
             screen: None,