Measurement: impossible to measure thread pitch (distance)

### Problem description

The measurement tool cannot measure the pitch of the thread, for instance by selecting two consecutive peaks.

### Workbench affected?

None

### Steps to reproduce

Open the attached file. I have used the hole feature with thread.

Start the measurement tool and use distance function with two consecutive peaks. A zero distance measurement is calculated.

[Unnamed.zip](https://github.com/user-attachments/files/25374935/Unnamed.zip)

### Expected behavior

to get the pitch distance

### Actual behavior

a 0 distance is measured

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

```shell
OS: Windows 10 build 19045
Architecture: x86_64
Version: 1.2.0dev.20260210 (Git shallow)
Build date: 2026/02/10 18:10:36
Build type: Release
Branch: (HEAD detached at ecbe21ca0)
Hash: ecbe21ca03a59723c90ce5a677ae7ccea06ebc12
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 Kingdom (en_GB)
Navigation Style/Orbit Style/Rotation Mode: CAD/Rounded Arcball/Window center
Stylesheet/Theme/QtStyle: FreeCAD.qss/FreeCAD Light/
Logical DPI/Physical DPI/Pixel Ratio: 96/141.951/1
Installed mods:
* Fasteners Workbench 0.5.44
```

### Last known good version (optional)

```shell

```