Fixed the load waypoing bug - see description below
Fixed the load waypoing bug - see description below

When you load a waypoint files, the changes you're doing in the waypoint list
(for example, changing the longitude of a waypoint) are not applied to the points
displayed on the map.
This commit fixes this issue.

remspoor/qgroundcontrol,devbharat/qgroundcontrol,caoxiongkun/qgroundcontrol,greenoaktree/qgroundcontrol,Hunter522/qgroundcontrol,remspoor/qgroundcontrol,devbharat/qgroundcontrol,jy723/qgroundcontrol,CornerOfSkyline/qgroundcontrol,UAVenture/qgroundcontrol,kd0aij/qgroundcontrol,greenoaktree/qgroundcontrol,nado1688/qgroundcontrol,devbharat/qgroundcontrol,greenoaktree/qgroundcontrol,nado1688/qgroundcontrol,TheIronBorn/qgroundcontrol,CornerOfSkyline/qgroundcontrol,Hunter522/qgroundcontrol,dagoodma/qgroundcontrol,jy723/qgroundcontrol,mihadyuk/qgroundcontrol,iidioter/qgroundcontrol,remspoor/qgroundcontrol,BMP-TECH/qgroundcontrol,nado1688/qgroundcontrol,scott-eddy/qgroundcontrol,RedoXyde/PX4_qGCS,ethz-asl/qgc_asl,mihadyuk/qgroundcontrol,scott-eddy/qgroundcontrol,TheIronBorn/qgroundcontrol,mihadyuk/qgroundcontrol,ethz-asl/qgc_asl,fizzaly/qgroundcontrol,mihadyuk/qgroundcontrol,BMP-TECH/qgroundcontrol,UAVenture/qgroundcontrol,Hunter522/qgroundcontrol,kd0aij/qgroundcontrol,greenoaktree/qgroundcontrol,caoxiongkun/qgroundcontrol,jy723/qgroundcontrol,fizzaly/qgroundcontrol,mihadyuk/qgroundcontrol,hejunbok/qgroundcontrol,cfelipesouza/qgroundcontrol,Hunter522/qgroundcontrol,greenoaktree/qgroundcontrol,dagoodma/qgroundcontrol,fizzaly/qgroundcontrol,ethz-asl/qgc_asl,fizzaly/qgroundcontrol,LIKAIMO/qgroundcontrol,remspoor/qgroundcontrol,nado1688/qgroundcontrol,mihadyuk/qgroundcontrol,hejunbok/qgroundcontrol,greenoaktree/qgroundcontrol,scott-eddy/qgroundcontrol,ethz-asl/qgc_asl,TheIronBorn/qgroundcontrol,iidioter/qgroundcontrol,cfelipesouza/qgroundcontrol,devbharat/qgroundcontrol,UAVenture/qgroundcontrol,caoxiongkun/qgroundcontrol,BMP-TECH/qgroundcontrol,dagoodma/qgroundcontrol,kd0aij/qgroundcontrol,RedoXyde/PX4_qGCS,RedoXyde/PX4_qGCS,BMP-TECH/qgroundcontrol,caoxiongkun/qgroundcontrol,LIKAIMO/qgroundcontrol,dagoodma/qgroundcontrol,iidioter/qgroundcontrol,ethz-asl/qgc_asl,Hunter522/qgroundcontrol,nado1688/qgroundcontrol,catch-twenty-two/qgroundcontrol,cfelipesouza/qgroundcontrol,scott-eddy/qgroundcontrol,LIKAIMO/qgroundcontrol,kd0aij/qgroundcontrol,scott-eddy/qgroundcontrol,devbharat/qgroundcontrol,dagoodma/qgroundcontrol,catch-twenty-two/qgroundcontrol,catch-twenty-two/qgroundcontrol,iidioter/qgroundcontrol,hejunbok/qgroundcontrol,devbharat/qgroundcontrol,UAVenture/qgroundcontrol,UAVenture/qgroundcontrol,RedoXyde/PX4_qGCS,catch-twenty-two/qgroundcontrol,kd0aij/qgroundcontrol,TheIronBorn/qgroundcontrol,dagoodma/qgroundcontrol,jy723/qgroundcontrol,fizzaly/qgroundcontrol,cfelipesouza/qgroundcontrol,scott-eddy/qgroundcontrol,CornerOfSkyline/qgroundcontrol,TheIronBorn/qgroundcontrol,TheIronBorn/qgroundcontrol,Hunter522/qgroundcontrol,BMP-TECH/qgroundcontrol,caoxiongkun/qgroundcontrol,hejunbok/qgroundcontrol,caoxiongkun/qgroundcontrol,catch-twenty-two/qgroundcontrol,hejunbok/qgroundcontrol,UAVenture/qgroundcontrol,LIKAIMO/qgroundcontrol,fizzaly/qgroundcontrol,LIKAIMO/qgroundcontrol,CornerOfSkyline/qgroundcontrol,CornerOfSkyline/qgroundcontrol,remspoor/qgroundcontrol,iidioter/qgroundcontrol,catch-twenty-two/qgroundcontrol,jy723/qgroundcontrol,iidioter/qgroundcontrol,kd0aij/qgroundcontrol,nado1688/qgroundcontrol,RedoXyde/PX4_qGCS,RedoXyde/PX4_qGCS,cfelipesouza/qgroundcontrol,jy723/qgroundcontrol,cfelipesouza/qgroundcontrol,remspoor/qgroundcontrol,BMP-TECH/qgroundcontrol,hejunbok/qgroundcontrol,CornerOfSkyline/qgroundcontrol,LIKAIMO/qgroundcontrol