bug: Live Reload not working when changing .css files to .scss

# Bug Report

**Ionic version:**

[ ] **4.x**
[x] **5.x**
[ ] **6.x**

**Current behavior:**

If I change the .css extension with .scss then the live reloading freeze in Compiling... (if I close the app and serve again the issue still persist)
**Expected behavior:**

Everything works normaly
**Steps to reproduce:**

Install node-sass and then change at least 1 .css file to .scss

**Ionic info:**

```
Ionic:

Ionic CLI : 6.16.3 (C:\Users\PC\AppData\Roaming\npm\node_modules\@ionic\cli)
Ionic Framework : @ionic/react 5.6.10

Capacitor:

Capacitor CLI : 3.0.2
@capacitor/android : not installed
@capacitor/core : 3.0.2
@capacitor/ios : not installed

Utility:

cordova-res : 0.15.1
native-run : 1.4.0

System:

NodeJS : v14.15.0 (C:\Program Files\nodejs\node.exe)
npm : 6.14.8
OS : Windows 10
```