[Bug] No HiDPI support

### 📝 Description

The app is displayed in a miniature size on HiDPI monitors.

### 🏷️ App Version

1.8.5

### 💻 Platform

KDE Neon 6

### 📦 Installation Type (optional)

installation script

### ⚙️ System/Device Details (optional)

i7-7660U

### 🔁 Steps to Reproduce

1. Install app
2. Launch app

### ✅ Expected Behavior

The app is displayed in normal size, like other apps.

### 📷 Screenshots or Recordings (optional)

Side by side view of the app in its miniature size and a normal window in its normal size.

### 🗒️ Additional Information (optional)

None

### 💡 Possible Solution (optional)

None

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Thanks