fix: forward onItemPrepend/onItemAppend to ArrayFunctions

[bjoerge]

Description

All array inputs are passed onItemPrepend and onItemAppend that they can call to append and prepend items. Still, the default array input(s) defines their own internal handlers for these two events and passes them on to the ArrayFunctions component. This is both unneccesary, and also makes it harder to customize the behavior by passing in a different onItemAppend function to the array input. This PR removes the redundant handleItemPrepend/handleItemAppend handlers in the standard array inputs.

What to review

Does the changes make sense?
I also additionally refactored the internal append/prepend handlers so they build upon the default insertion handler and aligned some naming with current convention (e.g. changed from handleAppendItem to handleItemAppend)

Testing

There should not be any significant differences to how this works today, and existing tests should catch any regressions.

Notes for release

• Array input now forwards the received onItemPrepend and onItemAppend to the insert button/Array Functions component

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[github-actions]

No changes to documentation

[github-actions]

Component Testing Report Updated Sep 16, 2024 3:54 PM (UTC)

✅ All Tests Passed -- expand for details

File	Status	Duration	Passed	Skipped	Failed
comments/CommentInput.spec.tsx	✅ Passed (Inspect)	44s	15	0	0
formBuilder/ArrayInput.spec.tsx	✅ Passed (Inspect)	8s	3	0	0
formBuilder/inputs/PortableText/Annotations.spec.tsx	✅ Passed (Inspect)	30s	6	0	0
formBuilder/inputs/PortableText/copyPaste/CopyPaste.spec.tsx	✅ Passed (Inspect)	37s	11	7	0
formBuilder/inputs/PortableText/copyPaste/CopyPasteFields.spec.tsx	✅ Passed (Inspect)	0s	0	12	0
formBuilder/inputs/PortableText/Decorators.spec.tsx	✅ Passed (Inspect)	18s	6	0	0
formBuilder/inputs/PortableText/DisableFocusAndUnset.spec.tsx	✅ Passed (Inspect)	10s	3	0	0
formBuilder/inputs/PortableText/DragAndDrop.spec.tsx	✅ Passed (Inspect)	3m 0s	0	0	0
formBuilder/inputs/PortableText/FocusTracking.spec.tsx	✅ Passed (Inspect)	44s	15	0	0
formBuilder/inputs/PortableText/Input.spec.tsx	✅ Passed (Inspect)	1m 45s	21	0	0
formBuilder/inputs/PortableText/ObjectBlock.spec.tsx	✅ Passed (Inspect)	1m 16s	18	0	0
formBuilder/inputs/PortableText/PresenceCursors.spec.tsx	✅ Passed (Inspect)	8s	3	9	0
formBuilder/inputs/PortableText/RangeDecoration.spec.tsx	✅ Passed (Inspect)	26s	9	0	0
formBuilder/inputs/PortableText/Styles.spec.tsx	✅ Passed (Inspect)	19s	6	0	0
formBuilder/inputs/PortableText/Toolbar.spec.tsx	✅ Passed (Inspect)	36s	12	0	0
formBuilder/tree-editing/TreeEditing.spec.tsx	✅ Passed (Inspect)	0s	0	3	0
formBuilder/tree-editing/TreeEditingNestedObjects.spec.tsx	✅ Passed (Inspect)	0s	0	3	0