Sorting behaviour in tables

From directus created by ivansf : directus/directus#2033

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Version Info

• Directus version and branch: (Or commit hash)
• PHP version: 7
• MySQL version: RDS Aurora
• Web server: Apache
• OS name and version: Ubuntu Artful

Expected Behavior

Be able to sort tables in the admin panel. Be able to view dates in the table

Actual Behavior

Sort doesn't seem to be working. Dates only come up some times when doing command+R refresh. multiple times clicking the column header makes the dates to come up but not sorted.

Steps to Reproduce

1. Create a table with title and date_updated system field.
2. Add some records.
3. Visit the table in the admin panel, try to sort.

Schema Dump, Logs, or Screenshots

Database

When initially loaded (command+R)

after cycling through clicking the date updated header