Task list pagination issues resolved

[ihsaan-ullah]

@ mention of reviewers

@Didayolo

A brief description of the purpose of the changes contained in this PR.

In the resource interface, there were some problems in the pagination when a task was created or updated. This PR has fixed those problems:

• On task update, now user will stay on the same page e.g. (page: 3)
• On task create or upload, user will go to the first page (page: 1)

Issues this PR resolves

• Task list paging / editing bug #1429

A checklist for hand testing

• upload task when you are not on the first page and see that you are taken to page 1 with the correct page mentioned in the pagination area
• create task when you are not on the first page and see that you are taken to page 1 with the correct page mentioned in the pagination area
• update a task on any page and see that you stay on the same page

Checklist

• Code review by me
• Hand tested by me
• I'm proud of my work
• Code review by reviewer
• Hand tested by reviewer
• CircleCi tests are passing
• Ready to merge