If you have multiple sheets called food-diary-tracker disambiguate with owner name

[codeallthethingz]

Benefits

• you can switch to using different sheets and do analysis on other peoples data if they share it with you.

Acceptance Criteria

• if there are multiple sheets called food diary tracker, a drop down that allows you to switch between the different sheets
• reloads autocomplete on switch.
• warning visible while using a sheet that is not your own.