Fix deprecated function getCurrentUserId replaced by getDefaultEntityOwner for all content types and media types

Problem/Motivation

Deprecated
The ::getCurrentUserId method is deprecated in 8.6.x and will be removed before 9.0.0.

Proposed resolution

Change for all cotnent types

From

default_value_callback: 'Drupal\node\Entity\Node::getCurrentUserId'

To

default_value_callback: 'Drupal\node\Entity\Node::getDefaultEntityOwner'
and have a hook update function

#3175756: Fix deprecated function getCurrentUserId replaced by getDefaultEntityOwner in core.base_field_override.node.landing_page_lb.uid config

Change for all media types

From

default_value_callback: 'Drupal\media\Entity\Media::getCurrentUserId'

To

default_value_callback: 'Drupal\media\Entity\Media::getDefaultEntityOwner'

#3171237: Fix deprecated function getCurrentUserId replaced by getDefaultEntityOwner in core.base_field_override.media.*.uid configs for Drupal 9 compatibility

Remaining tasks

• Fix
• Test
• Release

User interface changes

N/A

API changes

N/A

Data model changes

N/A