[Input Number]: allow center alignment

[ycabon]

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• I have checked for existing issues to avoid duplicates

Description

Allow the alignment to be set with center. This would help when aligning multiple components vertically.

Kapture.2025-06-27.at.19.48.24.mp4

Related #12417 #12418

Acceptance Criteria

Allow "center" value for alignment attribute

Relevant Info

No response

Which Component

Input Number

Example Use Case

No response

Priority impact

impact - p2 - want for an upcoming milestone

Calcite package

• @esri/calcite-components
• @esri/calcite-components-react
• @esri/calcite-design-tokens
• @esri/calcite-ui-icons
• @esri/eslint-plugin-calcite-components

Esri team

ArcGIS Maps SDK for JavaScript