Duplicate & incorrect version resolution when optional dependencies are specified in requirements.txt

Example requirements.txt 
```txt
bleach==3.1.2
bleach[css]
 ```
Expected - Single bleach package, with version `3.1.2`
Actual - Multiple entries for bleach, one with correct version `3.1.2` and another with `0.0.0`

![Image](https://github.com/user-attachments/assets/50659789-fc91-493e-aba0-9748d51fd986)

