Migrate to mantine v6 (#15)

* Add letter spacing to cell text

* Set window control height in px

* Add temp unused routes

* Migrate text title font weights

* Bump mantine to v6 alpha

* Migrate modals / notifications

* Increase header bar to 65px

* Adjust play button props

* Migrate various components

* Migrate various pages and root styles

* Adjust default badge padding

* Fix sidebar spacing

* Fix list header badges

* Adjust default theme

src/renderer/components/modal/index.tsx

@@ -21,8 +21,6 @@ export interface ModalProps extends Omit<MantineModalProps, 'onClose'> {
 export const Modal = ({ children, handlers, ...rest }: ModalProps) => {
   return (
     <MantineModal
-      overlayBlur={2}
-      overlayOpacity={0.2}
       {...rest}
       onClose={handlers.close}
     >