Refactor: Internals: Moved Popup functions in imgui.cpp in their own section. (part 2) (#2036)
Refactor: Internals: Moved Popup functions in imgui.cpp in their own section. (part 2) (#2036)

bkaradzic/imgui,bkaradzic/imgui,Flix01/imgui,ggtucker/imgui,aimotive/imgui-glfw,nProtect/imgui,cmaughan/imgui,ggtucker/imgui,Flix01/imgui,cmaughan/imgui,ocornut/imgui,nProtect/imgui,burningreggae/imgui,ocornut/imgui,ocornut/imgui,nProtect/imgui,dougbinks/imgui,cmaughan/imgui,aimotive/imgui-glfw,dougbinks/imgui,Flix01/imgui,burningreggae/imgui,cmaughan/imgui,ggtucker/imgui,bkaradzic/imgui