String 5836, 6515, 6516, 6517

[Gymnasiast]

Updated strings on https://github.com/OpenRCT2/OpenRCT2/commit/8e85c2f344b6cd894ab898f823972f80e76388d0.

STR_5836 referenced the incorrect tab. The other strings only had "RCT1" changed to "RollerCoaster Tycoon 1" for clarity.

-STR_5836    :Select music to use on the main menu.{NEWLINE}Selecting the RCT1 theme requires that you set the path to RCT1 in the Miscellaneous tab.
-STR_6515    :{BLACK}RCT1 not linked - fallback images will be used.
-STR_6516    :One or more objects added require RCT1 linked for proper display. Fallback images will be used.
-STR_6517    :One or more objects in this park require RCT1 linked for proper display. Fallback images will be used.
+STR_5836    :Select music to use on the main menu.{NEWLINE}Selecting the RCT1 theme requires that you set the path to RCT1 in the Advanced tab.
+STR_6515    :{BLACK}RollerCoaster Tycoon 1 not linked - fallback images will be used.
+STR_6516    :One or more objects added require RollerCoaster Tycoon 1 linked for proper display. Fallback images will be used.
+STR_6517    :One or more objects in this park require RollerCoaster Tycoon 1 linked for proper display. Fallback images will be used.

Updated in:

• [ ] ar-EG
• [x] ca-ES
• [ ] 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
• [ ] nb-NO
• [x] nl-NL
• [ ] pl-PL
• [x] pt-BR
• [ ] sv-SE
• [ ] tr-TR
• [x] zh-CN
• [x] zh-TW

Notification when new strings arrive: @Omaranwa @J0anJosep @LPSGizmo @Wuzzy2 @tellovishous @dimateos @groenroos @rmnvgr @LucaRed @telk5093 @Goddesen @Gymnasiast @marcinkunert @Tupaschoal @daihakken