Add OSD support for Angle of Attack

[haslinghuis]

• depends on The airplanes angle of attack and airspeed estimations by using of aircrafts aerodynamics properties.  betaflight#14244

This pull request introduces a new feature to display the "Angle of Attack" element in the On-Screen Display (OSD). The changes include updates to the localization messages, symbol definitions, and OSD field configurations.

Localization updates:

• locales/en/messages.json: Added messages and descriptions for the "Angle of Attack" element.

Symbol definitions:

• src/js/tabs/osd.js: Added SYM.ANGLE_OF_ATTACK with the symbol code 0x40.

OSD field configurations:

• src/js/tabs/osd.js: Added "ANGLE_OF_ATTACK" to the OSD.loadDisplayFields function with relevant properties like text, desc, defaultPosition, draw_order, and preview.
• src/js/tabs/osd.js: Included F.ANGLE_OF_ATTACK in the OSD.chooseFields function to ensure it is selectable.

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[demvlad]

This is great!
I've just thought about delete (//comment) my osd blink mode code to go it in separate PRs.
I've not seen osd indication during last test my PR, due of some mistake probably. Will test with this PR together next time.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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