docs: improve troubleshooting guide for pnpm (#13673)

* docs: improve troubleshooting guide for pnpm

* added pnpm link to installation guide

www/apps/resources/app/troubleshooting/_sections/common-installation-errors/pnpm.mdx

@@ -4,10 +4,18 @@ If you use `pnpm` as a package manager in your Medusa application, you might fac
 can't resolve @medusajs/dashboard
 ```
 
+You may also receive an error related to Tanstack Query:
+
+```bash
+No QueryClient set, use QueryClientProvider to set one
+```
+
 ## Why This Error Occurred
 
 Medusa doesn't officially support `pnpm` as a package manager, which may lead to unexpected errors, including issues with package resolution.
 
+For Tanstack Query, the error occurs because the package is required by `@medusajs/dashboard`, but `pnpm` does not automatically install it as a dependency of that package.
+
 ---
 
 ## How to Fix it
@@ -17,7 +25,13 @@ To resolve this error and other potential errors, consider switching to `yarn` a
 If you still want to use `pnpm`, you must manually install the following packages in your project:
 
 ```bash
-pnpm add @medusajs/dashboard @medusajs/icons @meduasjs/types @medusajs/draft-order @medusajs/ui
+pnpm add @medusajs/dashboard @medusajs/icons @medusajs/types @medusajs/draft-order @medusajs/ui
 ```
 
 Make sure to also update these packages whenever you update your Medusa application.
+
+For the Tanstack Query error, you must also install it manually. It must be the same version installed in [@medusajs/dashboard](https://github.com/medusajs/medusa/blob/d58462c9c91a3e335d03f758438e109caad1f839/packages/admin/dashboard/package.json#L54):
+
+```bash
+pnpm add @tanstack/react-query@{version}
+```