FIX: For Report Budget, the income categories are negative when using 'Set budgets to 3 month average' (#2862)

* FIX: For Report Budget, the income categories are negative when using 'Set budgets to 3 month average'. This fix solves this issue

* added 2862.md

* Ajustments for category menu not closing properly and fix to negative values for income category copy budget

* fix lint

* changed variable name without changing references after lint ajust

* retrigger checks

* smaller 2862.md