Use STATIC_ITEM for static text#2
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The PR MarlinFirmware#3662 adds a
STATIC_ITEMmacro toultralcd.cppthat works within the menu system to display a non-interactive line of static text. This gains us 2 spaces since there is no cursor display. The cursor still exists, so you can scroll the display. The cursor cannot move above the 4th display line (on a 4-line display). Thus, if you scroll to the top, there is no "dead spot" where it will not scroll.This also makes the feature optional, and disabled by default.
Since static items are non-interactive, we explicitly check for a click to return to status.