Refactor invoice data table and templates page for improved readability and functionality

- Cleaned up imports and formatted code for better readability in invoices-data-table.tsx.
- Enhanced invoice interface definitions for clarity.
- Improved toast messages for bulk delete and update actions.
- Refactored date formatting and status type retrieval for better readability.
- Simplified template management in templates page, extracting TemplateList component.
- Added registration toggle based on environment variable DISABLE_SIGNUPS.
- Updated navbar to conditionally render registration link based on allowRegistration prop.
- Enhanced error handling and validation in expenses and settings routers.
- Improved PDF export footer handling.
- Updated TRPC react integration for cleaner type imports.

src/trpc/react.tsx

@@ -8,6 +8,7 @@ import { useState } from "react";
 import SuperJSON from "superjson";
 
 import { createQueryClient } from "./query-client";
+import type { AppRouter } from "~/server/api/root";
 
 let clientQueryClientSingleton: QueryClient | undefined = undefined;
 const getQueryClient = () => {
@@ -21,22 +22,21 @@ const getQueryClient = () => {
   return clientQueryClientSingleton;
 };
 
-// Use inline import() type to avoid pulling server modules into the client bundle
-export const api = createTRPCReact<import("~/server/api/root").AppRouter>();
+export const api = createTRPCReact<AppRouter>();
 
 /**
  * Inference helper for inputs.
  *
  * @example type HelloInput = RouterInputs['example']['hello']
  */
-export type RouterInputs = inferRouterInputs<import("~/server/api/root").AppRouter>;
+export type RouterInputs = inferRouterInputs<AppRouter>;
 
 /**
  * Inference helper for outputs.
  *
  * @example type HelloOutput = RouterOutputs['example']['hello']
  */
-export type RouterOutputs = inferRouterOutputs<import("~/server/api/root").AppRouter>;
+export type RouterOutputs = inferRouterOutputs<AppRouter>;
 
 export function TRPCReactProvider(props: { children: React.ReactNode }) {
   const queryClient = getQueryClient();