Allow designating not-yet-compatible rocket parts

[Coolthulhu]

Problem: when you build a rocket, you have to do it like this:

1. Designate engine
2. Wait until it's built
3. Designate oxydizer storage
4. Wait until it's built
5. Designate fuel storage
6. Wait until it's built
7. etc.

Would be better if you could designate the complete rocket from the start, then only wait for dupes to build it part by part.

[Sasza22]

To add to it i think the engine once build should give an indication of needed modules for it to operate. For example a petroleum engine would give "missing fuel tank" and "missing oxydizer tank" messages.