Set target state to INACTIVE when in DISCHARGE

Core/Src/ts_state_machine.c

@@ -101,6 +101,7 @@ TSState ts_sm_update_precharge() {
 
 TSState ts_sm_update_discharge() {
   if (HAL_GetTick() - discharge_begin_timestamp >= DISCHARGE_DURATION) {
+    ts_state.target_state = TS_INACTIVE;
     return TS_INACTIVE;
   } else {
     return TS_DISCHARGE;