Fix syntax error in orders query

Change "=" for "IN".

FEA: ItEr77S15FilteringEnhancements
Include unscheduled projects in orders query

When you import a project from the web service, the task elements are not
created yet, so we need to return these projects in the query otherwise they
will be not visible at all for the users.

FEA: ItEr77S15FilteringEnhancements