Get things compiling with diagnostics on worktree

Co-Authored-By: Antonio Scandurra <me@as-cii.com>
Co-Authored-By: Nathan Sobo <nathan@zed.dev>

crates/server/src/rpc.rs

@@ -1719,7 +1719,8 @@ mod tests {
                             group_id: 0,
                             message: "message 1".to_string(),
                             severity: lsp::DiagnosticSeverity::ERROR,
-                            is_primary: true
+                            is_primary: true,
+                            ..Default::default()
                         }
                     },
                     DiagnosticEntry {
@@ -1728,7 +1729,8 @@ mod tests {
                             group_id: 1,
                             severity: lsp::DiagnosticSeverity::WARNING,
                             message: "message 2".to_string(),
-                            is_primary: true
+                            is_primary: true,
+                            ..Default::default()
                         }
                     }
                 ]