Implement `GetPlayerSurfingObjectID`, `GetPlayerSurfingVehicleID`

[lopezloo]

Function name
GetPlayerSurfingObjectID(playerid)
GetPlayerSurfingVehicleID(playerid)

Describe the function
https://team.sa-mp.com/wiki/GetPlayerSurfingObjectID.html
https://team.sa-mp.com/wiki/GetPlayerSurfingVehicleID.html

Examples of using of the function
-

Equivalent in MTA
https://wiki.multitheftauto.com/wiki/GetPedContactElement

Additional information
-

[colistro123]

Resolved in #98