Remove extra shortcut separator in default mode & model selection tooltips (#45439)

ᴀᴍᴛᴏᴀᴇʀ created 

Closes #44118

Release Notes:

- N/A

Change summary

crates/agent_ui/src/ui/hold_for_default.rs | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Detailed changes

crates/agent_ui/src/ui/hold_for_default.rs 🔗 

@@ -27,7 +27,7 @@ impl RenderOnce for HoldForDefault {
                 PlatformStyle::platform(),
                 None,
                 Some(TextSize::Default.rems(cx).into()),
-                true,
+                false,
             )))
             .child(div().map(|this| {
                 if self.is_default {