Strict types support

[millnut]

With Drupal core moving towards strict types, more info I've added a test pipeline in preparation localgovdrupal/localgov_project#153 which has highlighted some failures which we should fix.

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  Line   modules/contrib/localgov_paragraphs/modules/localgov_paragraphs_views/localgov_paragraphs_views.module  
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  41     Call to function in_array() requires parameter #3 to be set.                                            
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  Line   modules/contrib/localgov_paragraphs/modules/localgov_subsites_paragraphs/localgov_subsites_paragraphs.module  
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  241    Call to function in_array() requires parameter #3 to be set.                                                  
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