fix(task/backend): create task returns a platform.ID + inmem store refactoring
fix(task/backend): create task returns a platform.ID + inmem store
refactoring

Signed-off-by: Leonardo Di Donato <2012e0ca99d70aa6c893822ff73002216e5dba72@gmail.com>
Co-Authored-by: Lorenzo Fontana <638e8f0171575864326f06d2a5f8e72287427b15@linux.com>

influxdb/influxdb,nooproblem/influxdb,li-ang/influxdb,influxdb/influxdb,nooproblem/influxdb,influxdb/influxdb,nooproblem/influxdb,mark-rushakoff/influxdb,mark-rushakoff/influxdb,influxdata/influxdb,mark-rushakoff/influxdb,mark-rushakoff/influxdb,influxdata/influxdb,mark-rushakoff/influxdb,mark-rushakoff/influxdb,influxdb/influxdb,li-ang/influxdb,nooproblem/influxdb,nooproblem/influxdb,influxdb/influxdb,influxdb/influxdb