Add help text on the HTML element for the Comments and Query Loop blocks

[juanfra]

What?

Adding dynamic help text on the HTML element for the Comments and Query Loop blocks

Fixes #46967

Why?

So that it can be in line with what there is on the Group block, adding helpful information about this particular option.

How?

Replicating the array of messages that we already have for the Group block, and adding that to the mentioned blocks.

Testing Instructions

1. Create a post or page.
2. Add the Comments and Query Loop blocks.
3. Confirm that when you switch the HTML element (on the advanced options) you get the proper help text for each tag.

Testing Instructions for Keyboard

Screenshots or screencast

Screen.Recording.2023-01-09.at.17.18.52.mov

[jorgefilipecosta]

LGTM 👍

[carolinan]

The PR works well, thank you.
Is there a reason why the template part was not updated? Maybe it was only forgotten?

[juanfra]

Thanks for the heads up @carolinan - I totally missed that one. I've just committed the changes for that block.

Screen.Recording.2023-01-10.at.12.37.16.mov