Middleware is not called on client when url is for index.js and contains query parameter

[nkzawa]

Verify canary release

• I verified that the issue exists in Next.js canary release

Provide environment information

Operating System:
  Platform: darwin
  Arch: x64
  Version: Darwin Kernel Version 19.6.0: Thu Jan 13 01:26:33 PST 2022; root:xnu-6153.141.51~3/RELEASE_X86_64
Binaries:
  Node: 16.14.0
  npm: 8.3.1
  Yarn: 1.22.17
  pnpm: N/A
Relevant packages:
  next: 12.1.1-canary.6
  react: 17.0.2
  react-dom: 17.0.2

What browser are you using? (if relevant)

No response

How are you deploying your application? (if relevant)

No response

Describe the Bug

Middleware is not called at all on the following case:

# file structure
pages/test/index.js
pages/test/_middleware.js

<Link href="/test?something=1">...</Link>

It's correctly called If there are other middleware like on the top level.

Expected Behavior

Middleware is called

To Reproduce

Create files

pages/test/index.js
pages/test/_middleware.js

On a page, create a navigation like <Link href="/test?something=1"><a>click me</a></Link>

Ensure there is no other middleware and add query to the url to navigate.

[github-actions]

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