Fix X-axis, Add menu page

-Home X-Axis caused Shift problem (Extruder::selectExtruderById(0);)
-Update French : The changeable interactions (ON - OFF - Values ​​...)
are shifted to right of the display for readability. Reduction of
certain words to avoid having an unseen area
-New page for Flow - Mul and Buffer: The first page was too crowded.
(Inact. -> OFF ...)

It would change the English language to make it clean