Select2 boxes don't receive focus automatically

[dllh]

To reproduce:

• On the report creation screen, click the school form field.
• Start typing.

What happens:

• Nothing. The free text entry box is not selected. You have to scroll as with a normal select box, which renders the select2 feature less useful because you have to re-select and then type.

What should happen:

• The search field within the select box is focused immediately.
• You can begin typing a school name right away to filter.