Respect sectionTitleFontSize for schematic section labels

[rushabhcodes]

What changed

• Added sectionTitleFontSize support to schematic section labels.
• The label now uses the provided size instead of always falling back to 0.18.
• Added a focused test that checks the emitted schematic text font size and updated the snapshot.

Why

• This lets callers control section title emphasis in schematic layouts without changing the default behavior for existing sections.

Validation

• BUN_UPDATE_SNAPSHOTS=1 bun test tests/components/primitive-components/schematic-section.test.tsx

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Project	Deployment	Actions	Updated (UTC)
tscircuit-core-benchmarks	Ready	Preview, Comment	May 31, 2026 5:28pm

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[seveibar]

Cc @Sang-it

[tscircuitbot]

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Thank you for your contribution! 🎉

PR Rating: ⭐⭐
Impact: Minor

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