Lean query converts to binary when using generic as type

[timheerwagen]

Prerequisites

• I have written a descriptive issue title
• I have searched existing issues to ensure the bug has not already been reported

Mongoose version

8.9.3

Node.js version

22.10.5

MongoDB server version

6.12.0

Typescript version (if applicable)

5.7.2

Description

When using lean query with a generic type of FooBar or object a typescript error gets thrown similar to this error: #15122

My last working version was ^8.7.0.

Steps to Reproduce

Reproduction Link: https://stackblitz.com/edit/vitejs-vite-tstcb3k5?file=src%2Findex.ts

Expected Behavior

No response