fix(mutator): apply setIfMissing prior to set

[rexxars]

Description

Fixes an issue where the order of operations of set/setIfMissing is reversed from what Content Lake does. By applying setIfMissing first, it ensures we can "prepare" structures that a deep set operation might use, for instance.

What to review

• Mutations still work and apply as before

Notes for release

• Fixes an issue where certain patches would apply differently in the studio and in Content Lake, leading to the studio UI not reflecting new values for certain fields

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
performance-studio	✅ Ready (Inspect)	Visit Preview		Oct 24, 2023 4:16pm
test-studio	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Oct 24, 2023 4:16pm

1 Ignored Deployment

Name	Status	Preview	Comments	Updated (UTC)
studio-workshop	⬜️ Ignored (Inspect)			Oct 24, 2023 4:16pm

[github-actions]

No changes to documentation

[github-actions]

Component Testing Report Updated Oct 24, 2023 4:22 PM (UTC)

File	Status	Duration	Passed	Skipped	Failed
formBuilder/ArrayInput.spec.tsx	✅ Passed (Inspect)	7s	3	0	0
formBuilder/inputs/PortableText/Annotations.spec.tsx	✅ Passed (Inspect)	11s	3	0	0
formBuilder/inputs/PortableText/Decorators.spec.tsx	✅ Passed (Inspect)	11s	6	0	0
formBuilder/inputs/PortableText/FocusTracking.spec.tsx	✅ Passed (Inspect)	31s	15	0	0
formBuilder/inputs/PortableText/Input.spec.tsx	✅ Passed (Inspect)	15s	9	0	0
formBuilder/inputs/PortableText/ObjectBlock.spec.tsx	✅ Passed (Inspect)	50s	18	0	0
formBuilder/inputs/PortableText/Styles.spec.tsx	✅ Passed (Inspect)	11s	6	0	0
formBuilder/inputs/PortableText/Toolbar.spec.tsx	✅ Passed (Inspect)	7s	3	0	0

[bjoerge]

This is great, thank you <3