Improvements and Fixes

• Added support for sending SVG files in messaging.
• Redesigned the sidebar.
• Redesigned the iconography used across the product.
• Redesigned the success & failure snackbars that are shown in the bottom-right for various actions.
• Various minor design improvements that improve the mobile user experience.
• Updated the permissions for Staff Internal Users so that General Settings and Domain Management Settings are restricted.
• Fixed a bug that incorrectly saved due dates on invoice templates.
• Fixed a bug that prevented file notifications from being shown in the sidebar.
• Fixes a bug that prevented a small number of users from paying invoices with ACH.