title_bar: Fix share button being hidden when any modal is open (#51862)

This check was initially added in
https://github.com/zed-industries/zed/pull/19885/changes but has
regressed since. Making it explicit here again to stop this from
happening.

Release Notes:

- N/A

Cargo.lock

@@ -17777,6 +17777,7 @@ dependencies = [
  "recent_projects",
  "release_channel",
  "remote",
+ "remote_connection",
  "rpc",
  "schemars",
  "semver",

crates/title_bar/Cargo.toml

@@ -47,6 +47,7 @@ notifications.workspace = true
 project.workspace = true
 recent_projects.workspace = true
 remote.workspace = true
+remote_connection.workspace = true
 rpc.workspace = true
 semver.workspace = true
 schemars.workspace = true

crates/title_bar/src/collab.rs

@@ -12,6 +12,7 @@ use gpui::{App, Task, Window};
 use icons::IconName;
 use livekit_client::ConnectionQuality;
 use project::WorktreeSettings;
+use remote_connection::RemoteConnectionModal;
 use rpc::proto::{self};
 use settings::{Settings as _, SettingsLocation};
 use theme::ActiveTheme;
@@ -342,7 +343,11 @@ impl TitleBar {
 
         let is_connecting_to_project = self
             .workspace
-            .update(cx, |workspace, cx| workspace.has_active_modal(window, cx))
+            .update(cx, |workspace, cx| {
+                workspace
+                    .active_modal::<RemoteConnectionModal>(cx)
+                    .is_some()
+            })
             .unwrap_or(false);
 
         let room = room.read(cx);