* Fixes that you couldn't make improvised chem heater from constructed space heater. (#74530)
## About The Pull Request
Closes#74310
Replaces space heater's subtype "constructed" to just "on_construction"
set_panel_open(TRUE)
Also makes cell eject to put it in your hands instead of just droping on
the floor.
## Why It's Good For The Game
I can't imagine anyone using improvised chem heater with this interface
but bug fixed.
## Changelog
🆑
fix: fixed that you couldn't make improvised chem heater from
constructed space heater.
/🆑
* Fixes that you couldn't make improvised chem heater from constructed space heater.
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Co-authored-by: Helg2 <93882977+Helg2@users.noreply.github.com>