Deprecation: #68748 - Deprecate AbstractContentObject::getContentObject()

See forge#68748

Description

The method has been renamed to getContentObjectRenderer(). The old method name is still present as a deprecated alias, which will be removed in TYPO3 v9.

Impact

Calling this method will trigger a deprecation log entry.

Affected Installations

Any extensions calling getContentObject().

Migration

Replace calls to getContentObject() with getContentObjectRenderer().