Strings 6499, 6500

[Gymnasiast]

New strings from PR OpenRCT2/OpenRCT2#17499.

STR_6499    :Vehicle type not supported by track design format
STR_6500    :Track elements not supported by track design format

Updated in:

• [x] ar-EG
• [x] ca-ES
• [x] cs-CZ
• [x] da-DK
• [x] de-DE
• [x] en-US
• [x] eo-ZZ
• [x] es-ES
• [x] fi-FI
• [x] fr-FR
• [x] hu-HU
• [x] it-IT
• [ ] ja-JP
• [x] ko-KR
• [x] nb-NO
• [x] nl-NL
• [x] pl-PL
• [x] pt-BR
• [x] sv-SE
• [ ] tr-TR
• [x] zh-CN
• [x] zh-TW

Notification when new strings arrive: @Omaranwa @J0anJosep @octaroot @LPSGizmo @danidoedel @Wuzzy2 @tellovishous @rzhao271 @anon569 @LucaRed @AaronVanGeffen @telk5093 @Goddesen @Gymnasiast @renansimoes @Tupaschoal @izhangfei @daihakken @marcinkunert @groenroos @dimateos @rmnvgr