Fixes to CSV import Exports (#1299)

* Update SubfleetImporter.php

Correction to the import to include Simbrief Code

* Update SubfleetImporter.php

Added in the missing fields HUB-ID and SIMBrief as these are input on the main screen

* Update AircraftImporter.php

Part of the missing data fields in csv import export

* Update FlightImporter.php

Part of the missing fields in csv import and export

* Update AircraftImporter.php

* Update FlightImporter.php

* Update aircraft.csv

Test data amended as part of the missing csv fields

* Update subfleets.csv

Part of the fix for missing fields in csv files used for import/export

* Update flights.csv

* Update FlightImporter.php

* Update subfleets.csv

Removed unused fields

* Update FlightImporter.php

* Update FlightImporter.php

* Update FlightImporter.php

* amended for new csv file layouts

app/Services/ImportExport/AircraftImporter.php

@@ -25,9 +25,11 @@ class AircraftImporter extends ImportExport
         'subfleet'     => 'required',
         'iata'         => 'nullable',
         'icao'         => 'nullable',
+        'airport_id'   => 'nullable',
         'name'         => 'required',
         'registration' => 'required',
         'hex_code'     => 'nullable',
+        'mtow'         => 'nullable|numeric',
         'zfw'          => 'nullable|numeric',
         'status'       => 'nullable',
     ];