fix(rf): route KeeLoq sub files to loopEmulate

[Valkrycxx]

Proposed Changes

Fixes an issue in Sub-GHz transmission (src/modules/rf/rf_send.cpp) where KeeLoq .sub files failed to trigger interactive emulation.

Previously, sendCustomRF() only routed files to loopEmulate() if data.protocol == "RcSwitch". Because KeeLoq files save their protocol as "KeeLoq", they fell through to txSubFile(), which bypassed the interactive UI, counter stepping, and dynamic key generation.

This change updates the condition to also match KeeLoq protocols (case-insensitively via .equalsIgnoreCase("keeloq")), ensuring KeeLoq files are properly routed to loopEmulate() while keeping raw/static files on txSubFile().

Types of Changes

Bugfix

Verification

1. Save or load a KeeLoq .sub file with Protocol: KeeLoq on LittleFS or SD Card.
2. Navigate to RF -> Send -> Custom SubGhz / saved file.
3. Verify that selecting the KeeLoq file enters loopEmulate() (displaying interactive frequency, serial, button, counter, and payload info).
4. Verify pressing Send transmits the frame and increments the rolling-code counter correctly.
5. Verify non-emulated / raw .sub files still correctly route to txSubFile().

Testing

No testing needed since this is a straight forward fix.

Linked Issues

N/A

User-Facing Change

Fix KeeLoq .sub file replay not entering interactive emulation mode in RF Send menu.

Further Comments

None