Set all custom failsafe channels at once (#5834)
* added setCustomFailsafe()
* failsafe setup: set all custom channels with ENTER long press
implements #5820
* added “outputs -> failsafe” menu item on horus
* change “Trims >> Subtrims” to “Trims => Subtrims”
* use translated string for “Outputs => Failsafe”
* fixed entered TR_TRIMS2OFFSETS and TR_OUTPUTS2FAILSAFE
When using ZCHARs in Horus texts, there are some artefacts when highlighted.
* added “outputs -> failsafe” menu item on taranis 212x64 LCD
* added “outputs -> failsafe” menu item on taranis 128x64 LCD
* fixed indentation
19 files changed: