[IMP] Add button to view the invoices/attachments after Syncing t#39199

This MR is a solution for the issue: https://git.vauxoo.com/vauxoo/xunnel-app/-/issues/105

Allow to show the invoices prefiltered with the sync date used to get the invoices after clicking the button Show Invoices

• Select the date from which you want to obtain your invoices
• Select SHOW INVOICES button
• The system will show the synchronized invoices from selected date

T#39199