UI/UX: PartDesign Pocket/Pad Two Side task options are very busy

### Problem description

The Part Design Pocket/Pad Two-sided option is very busy.

Items should be nested, or separated with a ruler, or have a different background.

### Workbench affected?

Part Design

### Steps to reproduce

n/a

### Expected behavior

n/a

### Actual behavior

n/a

### Development version About Info (in Safe Mode)

```shell
OS: Ubuntu 25.10 (ubuntu:GNOME/ubuntu/wayland)
Architecture: x86_64
Version: 1.2.0dev.20260224 (Git shallow)
Build date: 2026/02/24 18:54:53
Build type: Release
Branch: (HEAD detached at 34ae16cd0)
Hash: 34ae16cd01b179eb9e1801591276dbc5a38669b5
Python 3.11.14, Qt 6.8.3, Coin 4.0.3, Vtk 9.3.1, boost 1_86, Eigen3 3.4.0, PySide 6.8.3
shiboken 6.8.3, xerces-c 3.3.0, IfcOpenShell 0.8.2, OCC 7.8.1
Locale: English/United States (en_US)
Navigation Style/Orbit Style/Rotation Mode: Touchpad/Trackball/Drag at cursor
Stylesheet/Theme/QtStyle: OpenDark.qss/OpenDark/
Logical DPI/Physical DPI/Pixel Ratio: 96/144.289/1
```

### Last known good version (optional)

```shell

```