Add strict types - Update 6 files
- /tests/src/Functional/FocalPointWidgetTest.php
- /tests/src/FunctionalJavascript/MediaLibraryIntegrationTest.php
- /tests/src/Unit/Effects/FocalPointEffectsTest.php
- /tests/src/Unit/FieldWidgets/FocalPointFieldWidgetTest.php
- /tests/src/Unit/FocalPointManagerTest.php
- /tests/src/Unit/FocalPointUnitTestCase.php
Closes #3417689