Application installer GUI crashes at 1st use

[probonopd]

Describe the bug
Installing the first application right after installing the OS seems to crash the application installer GUI, possibly has to do with Updating FreeBSD repository catalogue...

To Reproduce
Steps to reproduce the behavior:

1. Install helloSystem to HD
2. Open GIMP

Expected behavior
GIMP is installed using the application installer GUI

Screenshots
https://youtu.be/o3z9QnMTLm8?t=654 (thanks Tyler's Tech)

Version (please complete the following information):

• Live ISO or installed system to disk: Installed
• FreeBSD version (System --> 12.1
• helloSystem build (cat /.url): 0.5.0
• Running in a virtual machine: no

[probonopd]

Couldn't launch /Applications/Developer.

Please always open one ticket per subject.

This one was already reported, and is fixed in the experimental builds:
helloSystem/Dock#19

[probonopd]

GIMP installation fixed and re-tested. A package had gone missing.