fix(docs): correct typos in comments and strings found during code view (#5880)

Non-functional changes only:
- Fixed minor spelling mistakes in comments
- Corrected typos in user-facing strings
- No variables, logic, or functional code was modified.

Signed-off-by: Marcel Petrick <mail@marcelpetrick.it>

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-5880-fix-docs-correct-typos-in-comments-and-strings-found-during-code-view-27f6d73d3650815db62af6115991304a)
by [Unito](https://www.unito.io)

---------

Signed-off-by: Marcel Petrick <mail@marcelpetrick.it>
Co-authored-by: Alexander Brown <DrJKL0424@gmail.com>
Co-authored-by: Benjamin Lu <benjaminlu1107@gmail.com>

tests-ui/tests/widgets/proxyWidget.test.ts

@@ -100,7 +100,7 @@ describe('Subgraph proxyWidgets', () => {
     expect(innerNodes[0].widgets[0].last_y).toBe(11)
     expect(innerNodes[0].widgets[0].computedHeight).toBe(12)
   })
-  test('Can detatch and re-attach widgets', () => {
+  test('Can detach and re-attach widgets', () => {
     const [subgraphNode, innerNodes] = setupSubgraph(1)
     innerNodes[0].addWidget('text', 'stringWidget', 'value', () => {})
     subgraphNode.properties.proxyWidgets = JSON.stringify([