[fix] Tablet: increase modal height

[fix] Tablet: fix popup layout, when keyboard open in landscape mode - fix #829
[fix] Tablet: add missing padding (list result, etc.)
[fix] Popover: fix freeze after open a popover
[fix] Transfer modal: open then close modal can freeze the app
[fix] Grapĥ: use independant legend option (e.g. scale on a graph are no more linked)
[fix] Fix theme color, in meta tags and manifest.json
[enh] Auto enable fullscreen on small screen, and add a button to toggle