ISSUE #803 - Fix get mesh map, remove dead function, remove circular object references
ISSUE #803 - Fix get mesh map, remove dead function, remove circular object references

3drepo/3drepo.io,3drepo/3drepo.io,3drepo/3drepo.io,3drepo/3drepo.io,3drepo/3drepo.io,3drepo/3drepo.io