1.12 tabr fixed (#2317)

* List to List<string> WorldCommand fix.

* 'java.lang.ArrayIndexOutOfBoundsException: 0' on advancedrocketry command fix

* commands to lower case fix

* Fix ar_tabr_commands_fix branch, improve command input/output, cleanup

* Cancel planet generation if we can't parse star ID

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Co-authored-by: tabr <[email protected]>
Co-authored-by: Sílfryí Kalsandryn <[email protected]>