Major changes:
- converted list view to owl
- merged menus
- added CREATE REPORT button on hr.expense that reports either
ticked draft expenses, or all the draft expenses for the user
- added dynamic buttons on expense.sheet list view
- added searchpanel on expense.sheet for team approvers and above
- moved (and changed) expense categories from demo to data
- added support on drag'n'drop while in list and kanban view of
expense for quick upload
task - 2831036
closes odoo/odoo#93802
Related: odoo/enterprise#28474
Related: odoo/upgrade#3778
Signed-off-by: Kevin Baptiste <kba@odoo.com>