Deprecation: #72856 - Removed RTE "modes" option 

See forge#72856

Description 

The RTE "modes" option that was added to a RTE enabled TCA field in the "defaultExtras" section has been removed.

The RTE is now loaded via the configuration from TSconfig, usually set by "modes" or "overruleMode" (used by default), and loaded even without the RTE mode set in the TCA field defaultExtras section.

Impact 

Extension authors do not need to set the defaultExtras "mode=ts_css" parameter explicitly.

Migration 

When configuring a RTE field in a TYPO3 extension the defaultExtras part should bet set to richtext:rte_transform instead of richtext:rte_transform[mode=ts_css] in order to render the RTE.

Flexform 

Example for an RTE Field, used in a Flexform with CMS 8 after migration

<text>
    <TCEforms>
        <label>LLL:EXT:extension_name/Resources/Private/Language/locallang_db.xlf:flexform.text.element.labelname</label>
        <config>
            <type>text</type>
            <size>10</size>
            <rows>5</rows>
            <enableRichtext>true</enableRichtext>
        </config>
        <defaultExtras>
            <richtext>rte_transform</richtext>
        </defaultExtras>
    </TCEforms>
</text>
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