Desktop client never starts maximized

[MicaelJarniac]

Plan

Premium

Device

Desktop computer

Operating System

Operating System: Manjaro Linux
KDE Plasma Version: 5.24.3
KDE Frameworks Version: 5.91.0
Qt Version: 5.15.3
Kernel Version: 5.15.28-1-MANJARO (64-bit)
Graphics Platform: X11
Processors: 4 × AMD Ryzen 3 2200G with Radeon Vega Graphics
Memory: 15.6 GiB of RAM
Graphics Processor: NVIDIA GeForce GTX 970/PCIe/SSE2

My Question or Issue

The desktop client never starts maximized. I always have to manually maximize it. Even if it's maximized when I close it, the next time I launch it, it's no longer maximized.

The client does take the entire screen, but it isn't technically maximized.