fix: editor improvements (#583)

* delete unused component

* return page prosemirror content

* prefetch pages

* use prosemirro json content on editor

* cache page query with id and slug as key

* Show notice on collaboration disconnection

* enable scroll while typing

* enable immediatelyRender

* avoid image break in PDF print

* Comment editor rendering props

apps/client/src/features/editor/styles/media.css

@@ -2,6 +2,10 @@
   img {
     max-width: 100%;
     height: auto;
+
+    @media print {
+      break-inside: avoid;
+    }
   }
 
   .node-image, .node-video, .node-excalidraw, .node-drawio {