Merge pull request #19101 from overleaf/dp-presentation-additional-keys

Add PageUp/PageDown/Backspace options for presentation page navigation

GitOrigin-RevId: 59b8c3b22ff205c8fe1009c120358c913db3cbe5

services/web/frontend/js/features/pdf-preview/hooks/use-presentation-mode.ts

@@ -51,11 +51,14 @@ export default function usePresentationMode(
       switch (event.key) {
         case 'ArrowLeft':
         case 'ArrowUp':
+        case 'PageUp':
+        case 'Backspace':
           previousPage()
           break
 
         case 'ArrowRight':
         case 'ArrowDown':
+        case 'PageDown':
           nextPage()
           break