v3.8.3

Improvements

• feat(advanced-portfolio-manager): show hidden items by default [#719] @chriscauley
• fix(advanced-portfolio-manager): fix date display [#719] @chriscauley
• feat: uncheck shared checkbox after cloning a task [#721, SCHOOL-203] @BillClinton
• feat(advanced-portfolio-manager): add ability to delete portfolio [#722] @chriscauley
• fix(advanced-portfolio-manager): use server-provided performance average [#727] @themightychris

Technical

• chore(deps): bump ansi-regex from 4.1.0 to 4.1.1 in /static-webapps/slate-portfolio-manager [#726] @dependabot[bot]