host: prevent timing issue if indication ack is received before proc being inserted #2011
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I am using nimBLE on an ESP32 project.
Due to high CPU usage and (maybe wrong ?) task priority configuration, I sometimes have ble_gatts_rx_indicate_rsp not finding the proc because it is called before ble_gatts_indicate_custom has a chance to call ble_gattc_process_status.
This lead nimble to closes the connection 30s later as the proc timer expires.
This PR proposes to add the proc to the list before calling the tx function, and remove it if tx fails.