wled/WLED: v0.15.4

What's Changed set unused segments to black by @DedeHai in https://github.com/wled/WLED/pull/5192 Fix FX checkmark sync by @DedeHai in https://github.com/wled/WLED/pull/5241 WiFi scan fix for 0.15 and IDF V4 by @DedeHai in https://github.com/wled/WLED/pull/5359 Bootloader SHA fixes, 0.15 edition by @willmmiles in https://github.com/wled/WLED/pull/5410 Remove OTA metadata structure version block by @willmmiles in https://github.com/wled/WLED/pull/5214 Add Gledopto Series With Ethernet by @Aogu181 in https://github.com/wled/WLED/pull/5156 Prevent file data loss due to replacing an open file handle (partial fix for https://github.com/wled/WLED/issues/5275) - provides better protection again presets.json corruption by @softhack007 Change default LED pin to 4 in esp32 ethernet builds and set AR default to "no mic" mode. https://github.com/wled/WLED/pull/5323 by @softhack007 Avoid I2S resource conflict (aPLL) with ethernet in https://github.com/wled/WLED/issues/5391 by @softhack007 Include release name on Info panel by @netmindz Improve UX of upgrade reporting by @netmindz Full Changelog: https://github.com/wled/WLED/compare/v0.15.3...v0.15.4