As designed

Reserves group does not have traditional squad lead and serves only as a backup group

Construction order pops up automatically to show that there is a structure that could be built on the selected base. This should be as designed. 

Hello.
The person on the video is clearly unloading supplies that he hadn't delivered to the base (he will receive no XP which is correct). FIA players otherwise gain XP for supplies, but they have to deliver them (not just unload them from others person truck).

Resolved for one of the upcoming updates.

Resolved in 1.7.0.26

Hello.
We have tested the issue but we have been unable to reproduce it on our end.
In case you have a repro with better repro rate, please let us know.

Please keep an eye on it and let us know. As clear repro that has a good rate of reproduction would help us tremendously in producing and fixing the issue

Has this occurred more than once? Is this reliably reproducible?

Please provide more information in regards to this circumstance. Ideally clear steps to reproduce this issue so we can test it on our end

Please provide more detailed description and repro steps.