* Support new r9m firmwares
* More future proof, thx Kilrah
* (significant) typo
* Companion part
* Make support a compilation option
* Fix compilation for normal users
* Warning popup for usability tests
* Better implementation
* All sizes
* Cosmetics
* Flex is EU+/AU+ only
* [Companion] Handle "flexr9m" option in module settings UI (to match radio UI, including warning msg); Move some "toString" functions out of ModelPrinter into ModuleData/Multiprotocols; "Future-proof" available R9M power options based on "stdr9m" fw option; Fix missing "Hitec" MM protocol name; Fix printing of R9M-EU power level in ModelPrinter.
* Cosmetics
* Rename R9M flex option
* Move failsafe further back to prevent nav oddity
* add receiver number check for Horus
* find the first free model ID on LONG ENTER
* use the next free model ID for new models
* improve free model ID support for std LCD as well
* fixed “duplicate model”
* fixed ModelsList::isModelIdUnique()
* 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
* - Match X9 behavior
- Made to handle replacing SH by a two pos and the future two additional switches
- Use string tables to find switch standard designation
* Compile fix
* POC for X9, requires -DBINDING_OPTIONS=YES
* There are apparently 4 valid choices
* - make BINDING_OPTIONS part of standard code
- adapt R9M EU LBT dialog to choice on bind
* - remove option from Companion
- cosmetics
* Compilation fixes
Bertrand Songis