Fix IDLE mode data control to use DATA_OFF_OUTSIDE instead of KEEP_DATA_IN_CAR

[Copilot]

Mobile data not working with SIM card because apply_idle_profile() was checking the wrong config variable to control data connectivity.

Changes

• Fixed variable usage in apply_idle_profile(): Changed from KEEP_DATA_IN_CAR to DATA_OFF_OUTSIDE
  • KEEP_DATA_IN_CAR controls data in WIRED/WIRELESS modes (in car)
  • DATA_OFF_OUTSIDE controls data in IDLE mode (outside car)

Before:

if [ "$KEEP_DATA_IN_CAR" = "1" ]; then 
  data_on
else 
  data_off
fi

After:

if [ "$DATA_OFF_OUTSIDE" = "1" ]; then
  data_off
else
  data_on
fi

Users wanting data always active should set DATA_OFF_OUTSIDE=0 in /sdcard/CarOS/config.env.

Original prompt

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This section details on the original issue you should resolve

<issue_title>[BUG] Data connection not working with SIM card in</issue_title>
<issue_description>I put a SIM card in, it is connectedin 4G but I don't have data</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes [BUG] Data connection not working with SIM card in #2

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[Copilot]

Pull request overview

This PR fixes a critical bug in the IDLE profile where mobile data was not working correctly due to using the wrong configuration variable. The module manages device profiles based on Android Auto connection state (wired/wireless/idle), and each profile has specific configuration options for controlling mobile data.

Key Changes:

• Fixed apply_idle_profile() to use DATA_OFF_OUTSIDE instead of KEEP_DATA_IN_CAR
• Correctly inverted the conditional logic to match the variable's semantics