JERUSALEM, Feb 6 (Reuters) - Israel said on Monday that it had received a Syrian request for assistance with earthquake relief for the Arab state and that it was prepared to oblige, in what would be rare cooperation between the enemy neighbours. For a time, Israel helped Syrian rebels across the occupied Golan Heights, and in 2018 it worked with Jordan and Washington to evacuate Syrian "White Helmet" rescue workers and their families fleeing a government advance. Damascus sought to cast those beneficiaries as terrorists -- - including some sworn to Israel's destruction