Table improvements (#6958)

* Header toggling, resizable columns

* Allow all blocks in table cells, disable column resizing in read-only

* Fixed dynamic scroll shadows

* Refactor, scroll styling

* fix scrolling, tweaks

* fix: Table layout lost on sort

* fix: Caching of grip decorators

* refactor

* stash

* fix first render shadows

* stash

* First add column grip, styles

* Just add column/row click handlers left

* fix: isTableSelected for single cell table

* Refactor mousedown handlers

* fix: 'Add row before' command missing on first row

* fix overflow on rhs

* fix: Error clicking column grip when menu is open

* Hide table controls when printing

* Restore table header background

* fix: Header behavior when adding columns and rows at the edges

* Tweak header styling

* fix: Serialize and parsing of column attributes when copy/pasting
fix: Column width is lost when changing column alignment

server/models/helpers/DocumentHelper.tsx

@@ -7,6 +7,7 @@ import { JSDOM } from "jsdom";
 import { Node } from "prosemirror-model";
 import * as Y from "yjs";
 import textBetween from "@shared/editor/lib/textBetween";
+import { EditorStyleHelper } from "@shared/editor/styles/EditorStyleHelper";
 import { ProsemirrorData } from "@shared/types";
 import { parser, serializer, schema } from "@server/editor";
 import { addTags } from "@server/logging/tracer";
@@ -322,7 +323,7 @@ export class DocumentHelper {
 
         // Special case for largetables, as this block can get very large we
         // want to clip it to only the changed rows and surrounding context.
-        if (childNode.classList.contains("table-wrapper")) {
+        if (childNode.classList.contains(EditorStyleHelper.table)) {
           const rows = childNode.querySelectorAll("tr");
           if (rows.length < 3) {
             continue;