Update styling of My Tasks section (#3879)

...ly/dashboard/templates/dashboard/applicant_dashboard.html

.../dashboard/templates/dashboard/contracting_dashboard.html

hypha/apply/dashboard/templates/dashboard/dashboard.html

...pply/dashboard/templates/dashboard/finance_dashboard.html

...pply/dashboard/templates/dashboard/includes/my-tasks.html

...es/dashboard/includes/submissions-waiting-for-review.html