multi-tenancy

Proposed behavior
sqlsrv driver

Current behavior
mysql and postgreslq drivers

Why CubeOptions need validation?
Before running KubeCube, we are supposed to doing options validate, quick exit if validate failed.

	Start = func(c *cli.Context) error {
		if errs := flags.CubeOpts.Validate(); len(errs) > 0 {
			return utilerrors.NewAggregate(errs)
		}

		run(flags.CubeOpts, signals.SetupSignalHandler())

		return nil
	}

How to do it?
We had validat

Add permission to view organizations to operator (otherwise they cannot see their own organization in select2 autocomplete fields).