fix(858): correct unallocated airspace in ULLL/ENBD

[daniluk4000]

Description of changes

Corrects unallocated airspace in ULLI/ENBD

Reason and motivation

Matches real word data

Closes #858

Approved contributior?

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• [x] Someone on the approved contributer list will review this request

[Adrian2k]

The changes are approved by me as a contributer for Scandinavia.

@NelisV will need to review the geojson changes are OK for merge.