Fixed SMA_Molex_73251-1153

Datasheet: https://www.molex.com/content/dam/molex/molex-dot-com/products/automated/en-us/salesdrawingpdf/732/73251/732511153_sd.pdf

Source: kicad-packages3D-source!430

The new model fixes the current generated model which has issues (see !865 (merged)). This merge request also replaces a previous one (!716 (closed)), where the original author said he's okay with me finishing the model.