Sort the Setup > Bands/Mode Modes list alphabetically

[ea4k]

Summary

• Follow-up to Add OFDM mode and FREEDATA submode from ADIF 3.1.7 #1083, which added the missing OFDM mode and DYNAMIC/FREEDATA submode from ADIF 3.1.7.
• FT2 and FT4 were reported as visible in the database but missing from the Setup → Bands/Mode "Modes" checklist. Both are already declared in Adif::setModes() and reach that checklist via DataProxy_SQLite::getModesAndSubmodes(), the same source that populates the DB — so the data was never the problem.
• The checklist has 300+ entries (every ADIF mode and submode) inserted in raw declaration order with no grouping, so FT2/FT4 sit buried inside MFSK's ~17 submodes and are easy to miss when scanning by eye.
• Enables sorting on the Modes QListWidget so entries are alphabetical and actually findable.

Test plan

• Open Setup → Bands/Mode and confirm the Modes list is now alphabetically sorted, with FT2/FT4 easy to locate under "F".
• Confirm checking/unchecking modes and saving settings still works as before (sorting only reorders display, not item identity).

🤖 Generated with Claude Code

https://claude.ai/code/session_01WRFxdqbQGqyLwfLn4arH3x

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Generated by Claude Code

[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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