[thci] support network name with space for wpanctl (#5515)
[thci] support network name with space for wpanctl (#5515)


jwhui/openthread,chshu/openthread,chshu/openthread,srickardti/openthread,bukepo/openthread,srickardti/openthread,openthread/openthread,bukepo/openthread,srickardti/openthread,chshu/openthread,jwhui/openthread,jwhui/openthread,abtink/openthread,openthread/openthread,chshu/openthread,openthread/openthread,jwhui/openthread,openthread/openthread,abtink/openthread,bukepo/openthread,bukepo/openthread,abtink/openthread,chshu/openthread,chshu/openthread,srickardti/openthread,abtink/openthread