chore(ui): finish eslint v9 migration

invokeai/frontend/web/src/services/api/authToastMiddleware.ts

@@ -72,7 +72,7 @@ export const authToastMiddleware: Middleware = () => (next) => (action) => {
           description: customMessage,
         });
       }
-    } catch (error) {
+    } catch {
       // no-op
     }
   }

invokeai/frontend/web/src/services/events/onModelInstallError.tsx

@@ -128,7 +128,6 @@ export const buildOnModelInstallError = (getState: AppGetState, dispatch: AppDis
     if (!install) {
       dispatch(api.util.invalidateTags([{ type: 'ModelInstalls' }]));
     } else {
-      install.source;
       dispatch(
         modelsApi.util.updateQueryData('listModelInstalls', undefined, (draft) => {
           const modelImport = draft.find((m) => m.id === data.id);