Make tests less noisy (#12463)

When running the tests for linux, I found a lot of benign errors getting
logged. This PR cuts down some of the noise from unnecessary workspace
serialization and SVG renders

Release Notes:

- N/A

crates/collab/src/tests/editor_tests.rs

@@ -42,7 +42,7 @@ use std::{
     },
 };
 use text::Point;
-use workspace::{Workspace, WorkspaceId};
+use workspace::Workspace;
 
 #[gpui::test(iterations = 10)]
 async fn test_host_disconnect(
@@ -85,14 +85,8 @@ async fn test_host_disconnect(
 
     assert!(worktree_a.read_with(cx_a, |tree, _| tree.as_local().unwrap().is_shared()));
 
-    let workspace_b = cx_b.add_window(|cx| {
-        Workspace::new(
-            WorkspaceId::default(),
-            project_b.clone(),
-            client_b.app_state.clone(),
-            cx,
-        )
-    });
+    let workspace_b = cx_b
+        .add_window(|cx| Workspace::new(None, project_b.clone(), client_b.app_state.clone(), cx));
     let cx_b = &mut VisualTestContext::from_window(*workspace_b, cx_b);
     let workspace_b_view = workspace_b.root_view(cx_b).unwrap();