Incorrect user task total

[Adrian-Shobrooke]

Describe the bug
I noticed a users total tasks value was not the sum of mapped and validated tasks.

To Reproduce
Steps to reproduce the behavior:

1. Go to https://tasks.hotosm.org/projects/37329/contributions
2. n/a
3. Scroll down to User AR88
4. 39 Tasks mapped, 0 validated, total 40.

Expected behavior
Total=39

Screenshots

Desktop (please complete the following information):

• OS: Windows 10
• Browser Firefox
• Version 146.0.1 64bit

Additional context
None

[linear]

TECH-909

[ramyaragupathy]

@prabinoid to review the PR made by a contributor.

Thanks, @heathdutton for investigating the issue and making a PR 🙏