feat: Make NodeFromSchema work in more cases

[CraigMacomber]

Description

NodeFromSchema now prefers the class based form if given a schema which implements a class based and non class based API.

This shouldn't impact our public APIs (unless someone adds a static create function to their class based schema, in which case this is a fix), but internally we use TreeNodeSchemaBoth in some places, and if you subclass a type implementing TreeNodeSchemaBoth, before this change NodeFromSchema would give the less specialized type from the create function, ignoring the subclassing. This was confusing and has been fixed.

Reviewer Guidance

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[msfluid-bot]

Code Coverage Summary

No packages impacted by the change.

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Baseline commit: 3fe3fa5
Baseline build: 306842
Happy Coding!!

Code coverage comparison check passed!!

[msfluid-bot]

⯅ @fluid-example/bundle-size-tests: +245 Bytes

Metric Name	Baseline Size	Compare Size	Size Diff
aqueduct.js	465.72 KB	465.75 KB	⯅ +35 Bytes
azureClient.js	563.04 KB	563.09 KB	⯅ +49 Bytes
connectionState.js	724 Bytes	724 Bytes	■ No change
containerRuntime.js	262.34 KB	262.35 KB	⯅ +14 Bytes
fluidFramework.js	426.99 KB	427.01 KB	⯅ +14 Bytes
loader.js	134.18 KB	134.19 KB	⯅ +14 Bytes
map.js	42.71 KB	42.71 KB	⯅ +7 Bytes
matrix.js	149.84 KB	149.85 KB	⯅ +7 Bytes
odspClient.js	528.83 KB	528.88 KB	⯅ +49 Bytes
odspDriver.js	97.88 KB	97.9 KB	⯅ +21 Bytes
odspPrefetchSnapshot.js	42.81 KB	42.83 KB	⯅ +14 Bytes
sharedString.js	165.77 KB	165.78 KB	⯅ +7 Bytes
sharedTree.js	417.45 KB	417.46 KB	⯅ +7 Bytes
Total Size	3.37 MB	3.37 MB	⯅ +245 Bytes

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Baseline commit: 3fe3fa5

Generated by 🚫 dangerJS against 9e3f59c

Copilot reviewed 5 out of 12 changed files in this pull request and generated no suggestions.

Files not reviewed (7)

• packages/dds/tree/api-report/tree.legacy.public.api.md: Evaluated as low risk
• packages/framework/fluid-framework/api-report/fluid-framework.public.api.md: Evaluated as low risk
• packages/dds/tree/api-report/tree.legacy.alpha.api.md: Evaluated as low risk
• packages/framework/fluid-framework/api-report/fluid-framework.legacy.alpha.api.md: Evaluated as low risk
• packages/framework/fluid-framework/api-report/fluid-framework.legacy.public.api.md: Evaluated as low risk
• packages/dds/tree/api-report/tree.public.api.md: Evaluated as low risk
• packages/dds/tree/api-report/tree.beta.api.md: Evaluated as low risk

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