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/editor/src/editor.rs

@@ -484,7 +484,7 @@ pub struct Editor {
     current_line_highlight: CurrentLineHighlight,
     collapse_matches: bool,
     autoindent_mode: Option<AutoindentMode>,
-    workspace: Option<(WeakView<Workspace>, WorkspaceId)>,
+    workspace: Option<(WeakView<Workspace>, Option<WorkspaceId>)>,
     keymap_context_layers: BTreeMap<TypeId, KeyContext>,
     input_enabled: bool,
     use_modal_editing: bool,