Builder Import overrides wrong unit goals

[SHADOW-XIII]

Steps to reproduce.

1. Create build of 2 units and save as a team, for example: Xuan (build for "Palm" skill) + Kryla (meHP+100% draw/evade)
2. Start new team, add 2 units to it and build differently: A2 (build for HP) + 2B (build for MP)
3. Import into the new build team built in step 1.
4. Result: A2 (build for "Heal") + 2B (meHP+100% draw/evade) + Xuan (Physical Damage) + Kryla (Physical Damage)

The heal is set as default because A2 does not have "Palm" skill, if team in step 2 was Xuan + 2B we would end up with: Xuan (build for "Palm" skill) + 2B (meHP+100% draw/evade) + Xuan (Physical Damage) + Kryla (Physical Damage)

This overrides all goal setup, forced elements, ailment immunity, elemental resistances and various (draw/evade/accuracy)

[kaldios]

it's basically a matter of correcting which unit tabs the goals/etc are being written to on import.
if you have a team of 2, and import a team of 3, the imported units change from saved in slots 1-3 to open in slots 3-5.