🐛 undeclared identifier: 'founded_regexp_matches'
**Describe the bug** 🐛
Compile error: undeclared identifier: 'founded_regexp_matches'

**To Reproduce** 👨‍🔬
```nim
import happyx

type  
  Kind = enum
    str
    num

serve("localhost", 1):
  get "/{kind:enum(Kind)}/{x}":
    ##
```

**Expected behavior** 🤔
*compiles without errors*

**Please complete the following information** 📃
- OS: Manjaro Linux
- HappyX version: 3.7
- HappyX project type: ssr
- HappyX project language: Nim
- Nim version: 2.0.0
- HTTP Server: Default
