Regression in layer_update

Summary

The geometries are clamped at the edge of map tiles.

Caused by cf4e0fa4

Steps to reproduce

1. Open the layer_update example
2. Click on "randomize style" until the stroke width becomes wide enough

Expected behaviour:

Actual behaviour:

Informations

• Giro3D version: 0.43-dev
• Browser (Firefox, Chrome, Opera, Safari...) and version: N/A
• OS (Linux, MacOS, Windows...) N/A