fix #3612: filtered list can't be shown on map, with refactoring
fix #3612: filtered list can't be shown on map, with refactoring

rsudev/c-geo-opensource,ThibaultR/cgeo,ThibaultR/cgeo,lewurm/cgeo,schwabe/cgeo,madankb/cgeo,S-Bartfast/cgeo,auricgoldfinger/cgeo,tobiasge/cgeo,cgeo/cgeo,brok85/cgeo,Huertix/cgeo,vishwakulkarni/cgeo,tobiasge/cgeo,schwabe/cgeo,lewurm/cgeo,brok85/cgeo,KublaikhanGeek/cgeo,Huertix/cgeo,kumy/cgeo,xiaoyanit/cgeo,Bananeweizen/cgeo,auricgoldfinger/cgeo,Bananeweizen/cgeo,matej116/cgeo,xiaoyanit/cgeo,cgeo/cgeo,kumy/cgeo,samueltardieu/cgeo,samueltardieu/cgeo,mucek4/cgeo,yummy222/cgeo,schwabe/cgeo,superspindel/cgeo,mucek4/cgeo,ThibaultR/cgeo,rsudev/c-geo-opensource,pstorch/cgeo,S-Bartfast/cgeo,pstorch/cgeo,mucek4/cgeo,KublaikhanGeek/cgeo,superspindel/cgeo,rsudev/c-geo-opensource,pstorch/cgeo,samueltardieu/cgeo,matej116/cgeo,Bananeweizen/cgeo,yummy222/cgeo,marco-dev/c-geo-opensource,marco-dev/c-geo-opensource,SammysHP/cgeo,cgeo/cgeo,matej116/cgeo,superspindel/cgeo,vishwakulkarni/cgeo,cgeo/cgeo,kumy/cgeo,xiaoyanit/cgeo,lewurm/cgeo,auricgoldfinger/cgeo,yummy222/cgeo,vishwakulkarni/cgeo,KublaikhanGeek/cgeo,S-Bartfast/cgeo,marco-dev/c-geo-opensource,madankb/cgeo,SammysHP/cgeo,madankb/cgeo,brok85/cgeo,schwabe/cgeo,SammysHP/cgeo,tobiasge/cgeo,Huertix/cgeo