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/virtual-table/cells/combined-title-cell.tsx

@@ -22,6 +22,7 @@ const CellContainer = styled(motion.div)<{ height: number }>`
   width: 100%;
   max-width: 100%;
   height: 100%;
+  letter-spacing: 0.5px;
 `;
 
 const ImageWrapper = styled.div`

src/renderer/components/virtual-table/cells/generic-cell.tsx

@@ -25,6 +25,7 @@ export const CellContainer = styled(motion.div)<{ position?: 'left' | 'center' |
       : 'flex-start'};
   width: 100%;
   height: 100%;
+  letter-spacing: 0.5px;
 `;
 
 type Options = {