Issue #3460800 by just_like_good_vibes: Reduce code complexity

.phpmd.xml

...rc/Plugin/Field/FieldFormatter/ComponentFormatterBase.php

src/Element/ComponentElementBuilder.php

src/Element/ComponentForm.php

src/Element/ComponentPropsForm.php

src/Element/ComponentSlotForm.php

src/Element/ComponentSlotsForm.php

src/Form/ComponentFormBuilderTrait.php

src/Plugin/Derivative/EntityFieldSourceDeriverBase.php

src/Plugin/UiPatterns/Source/DerivableContextSourceBase.php

src/SourcePluginManager.php

tests/src/Kernel/SourcePluginManagerTest.php