Breakpoints width is far too low, making it easily overlooked

[hsvfan-jan]

Tested versions

4.3 stable

System information

Godot v4.3.stable - macOS 15.0.0 - Vulkan (Forward+) - integrated Apple M2 Pro - Apple M2 Pro (10 Threads)

Issue description

When opening the Debugger -> Stack Trace, the width of the Breakpoint channel is so small that it's very hard to see.

Additionally, when the panel width is adjusted, it can be seen that its height is below "Thread" and "Filter Stack Variables"

Steps to reproduce

Open -> Debugger -> Stack Trace. Then look at it

Minimal reproduction project (MRP)

New empty project

[Norrox]

Can confirm this also happens in master branch

[kitbdev]

• will be fixed by Use multiple children in dock SplitContainers to make resizing consistent #90439

But could be fixed separately, since that PR is waiting for another that is still in progress.