Changed the trim of the distance

Changed the trimming (switching between meters and kilometers) of the distance from 10K to 100K, similar to the PM5 and convention of other rowing machines.

app/client/lib/helper.js

@@ -41,7 +41,7 @@ export function secondsToPace (seconds) {
   * @param {number} value The distance in meters.
 */
 export function formatDistance (value) {
-  return value >= 10000
+  return value >= 99999.5
     ? { distance: formatNumber((value / 1000), 2), unit: 'km' }
     : { distance: formatNumber(value), unit: 'm' }
 }