Created attachment 181682 [details]
Rooms list unable to scroll down until resized

SUMMARY
When loading a space that contains more rooms than will fit in the current window view, scrolling with the mouse wheel or scrollbar sometimes doesn't work until the either the whole window is resized, or the divider between the list and the chat view is moved. 

STEPS TO REPRODUCE
1. Click on a Space with many joined rooms
2. Click on the scrollbar down arrow, try to drag the scrollbar down, or roll the mouse wheel down

OBSERVED RESULT
The Rooms list view does not scroll down to show the remaining rooms

EXPECTED RESULT
The Rooms list view scrolls down to show the remaining rooms

SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 42
KDE Plasma Version: 6.4.80
KDE Frameworks Version: 6.15.0
Qt Version: 6.9.0
Kernel Version: 6.14.6-300.fc42.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7800X3D 8-Core Processor
Memory: 32 GiB of RAM (30.4 GiB usable)
Graphics Processor 1: NVIDIA GeForce RTX 4070 SUPER
Graphics Processor 2: AMD Radeon Graphics
Manufacturer: Micro-Star International Co., Ltd.
Product Name: MS-7D78
System Version: 1.0