fix: timestamp

[ChasNelson1990]

Description

The so called timestamp issue was actually doing exactly what it has been coded to do: it shows the last time any data was added to the local database. This won't update when you click "Sync Now" unless you had new data locally (a submitted form) or there was new data on the server.

Either way, the new timestamp will be the time that form was created - not the time the sync button was pressed.

I have changed this to be the last time the user completed a sync.

closes #48

Checklist

• [x] I have read the road86 Contribution Guide.
• [x] I have checked all commit message styles match the requested structure.
• [x] My code follows the style guidelines of this project.
• [x] I have performed a self-review of my own code.
• [x] I have assigned at least one reviewer.
• [x] New and existing unit tests pass locally with my changes.
• [ ] I have added tests that prove my fix is effective or that my feature works.
• [x] My changes generate no new warnings.
• [ ] I have made corresponding changes to the documentation.
• [ ] New database changes have been committed.

[ChasNelson1990]

@mixmixmix please re-test and I dealt with conflicts on GitHub and am not able to locally test right now