Make sure we always return a value in NodeDB::restorePreferences() (#9516)

In case FScom is not defined there is no return statement. This
moves the return outside of the ifdef to make sure a defined
value is returned.

src/Power.cpp

@@ -459,6 +459,8 @@ class AnalogBatteryLevel : public HasBatteryLevel
         }
         // if it's not HIGH - check the battery
 #endif
+        // If we have an EXT_PWR_DETECT pin and it indicates no external power, believe it.
+        return false;
 
 // technically speaking this should work for all(?) NRF52 boards
 // but needs testing across multiple devices. NRF52 USB would not even work if

src/mesh/NodeDB.cpp

@@ -2223,8 +2223,8 @@ bool NodeDB::restorePreferences(meshtastic_AdminMessage_BackupLocation location,
     } else if (location == meshtastic_AdminMessage_BackupLocation_SD) {
         // TODO: After more mainline SD card support
     }
-    return success;
 #endif
+    return success;
 }
 
 /// Record an error that should be reported via analytics