feat: File attachments (#3031)

* stash

* refactor, working in non-collab + collab editor

* attachment styling

* Avoid crypto require in browser

* AttachmentIcon, handling unknown types

* Do not allow attachment creation for file sizes over limit

* Allow image as file attachment

* Upload placeholder styling

* lint

* Refactor: Do not use placeholder for file attachmentuploads

* Add loading spinner

* fix: Extra paragraphs around attachments on insert

* Bump editor

* fix build error

* Remove attachment placeholder when upload fails

* Remove unused styles

* fix: Attachments on shared pages

* Merge fixes

shared/editor/nodes/CodeFence.ts

@@ -197,12 +197,10 @@ export default class CodeFence extends Node {
       const node = view.state.doc.nodeAt(result.pos);
       if (node) {
         copy(node.textContent);
-        if (this.options.onShowToast) {
-          this.options.onShowToast(
-            this.options.dictionary.codeCopied,
-            ToastType.Info
-          );
-        }
+        this.options.onShowToast(
+          this.options.dictionary.codeCopied,
+          ToastType.Info
+        );
       }
     }
   };