Various commenting improvements (#4938)

* fix: New threads attached to previous as replies

* fix: Cannot use floating toolbar properly in comments

* perf: Avoid re-writing history on click in editor

* fix: Comment on text selection

* fix: 'Copy link' on comments uses wrong hostname

* Show comment buttons on input focus rather than non-empty input
Increase maximum sidebar size

* Allow opening comments from document menu

* fix: Clicking comment menu should not focus thread

app/utils/routeHelpers.ts

@@ -2,7 +2,6 @@ import queryString from "query-string";
 import Collection from "~/models/Collection";
 import Comment from "~/models/Comment";
 import Document from "~/models/Document";
-import env from "~/env";
 
 export function homePath(): string {
   return "/home";
@@ -138,7 +137,7 @@ export function notFoundUrl(): string {
 }
 
 export function urlify(path: string): string {
-  return `${env.URL}${path}`;
+  return `${window.location.host}${path}`;
 }
 
 export const matchDocumentSlug =