feat: Add classes for plugin type

[SventB]

Pull Request

Prerequisites

• Changes have been tested on TYPO3 v11.5 LTS
• Changes have been tested on TYPO3 v12.4 LTS
• Changes have been tested on PHP 7.4
• Changes have been tested on PHP 8.0
• Changes have been tested on PHP 8.1
• Changes have been tested on PHP 8.2
• Changes have been checked for CGL compliance php-cs-fixer fix
• CSS has been rebuilt (only if there are SCSS changes cd Build; npm ci; npm run build)

Description

It could be useful to know which plugin a frame contains. This pull requests adds this information (e.g. class "frame-type-list-indexedsearch_pi2") to the frame-div:

<div id="c149" class=" frame frame-default frame-type-list frame-type-list-indexedsearch_pi2 frame-layout-default frame-size-default frame-height-default frame-background-none frame-space-before-none frame-space-after-none frame-no-backgroundimage">

Steps to Validate

1. Create a content element containing a plugin, e.g. plugin of EXT:indexed_search
2. Check HTML code in FE