Fix errors introduced by TypeScript 4.7

error TS2731: Implicit conversion of a 'symbol' to a 'string' will
fail at runtime. Consider wrapping this expression in 'String(...)'.`

Release-Notes: skip
Change-Id: I5b9d48d5d1c1e23bd3fde551e406a6feb1e4d20b
diff --git a/polygerrit-ui/app/services/registry.ts b/polygerrit-ui/app/services/registry.ts
index e7de1ef..74b6997 100644
--- a/polygerrit-ui/app/services/registry.ts
+++ b/polygerrit-ui/app/services/registry.ts
@@ -73,7 +73,7 @@
             initializing = true;
             initialized.set(name, factory(context));
           } catch (e) {
-            console.error(`Failed to initialize ${name}`, e);
+            console.error(`Failed to initialize ${String(name)}`, e);
           } finally {
             initializing = false;
           }