Fix Copyright block content was not found

Problem/Motivation

On install of Varbase

[warning] The "block_content:b858d97d-eaa5-4cfe-af6f-b92c21bbca95" was not found

In EntityTypeManager.php line 143:
                                           
  The "block" entity type does not exist.  
                                           

#3071960: error : The "block_content" entity type does not exist.

grep -rl "b858d97d-eaa5-4cfe-af6f-b92c21bbca95" /var/www/html/products
./varbase_core/modules/varbase_default_content/content/block_content/b858d97d-eaa5-4cfe-af6f-b92c21bbca95.yml
./varbase_core/modules/varbase_default_content/config/optional/block.block.vartheme_bs4_copyright.yml
./vartheme_bs4/VARTHEME_BS4_SUBTHEME/config/optional/block.block.VARTHEME_BS4_SUBTHEME_copyright.yml
./vartheme_bs4/config/optional/block.block.vartheme_bs4_copyright.yml

Proposed resolution

Have

  - drupal:block
  - drupal:block_content

And enable block_content in Varbase profile install step