[Combobox Item] update heading color

[ashetland]

Check existing issues

• [X] I have checked for existing issues to avoid duplicates

Description

To match List Item and other components with a heading and a description, the color of the heading should be text.1 in all states.

Acceptance Criteria

Color of heading changed to text.1

Relevant Info

The current colors make the hierarchy of information difficult to understand. Related to #7623

cc @jcfranco

Which Component

Combobox Item

Example Use Case

No response

Priority impact

impact - p2 - want for an upcoming milestone

Calcite package

• [X] @esri/calcite-components
• [ ] @esri/calcite-components-angular
• [ ] @esri/calcite-components-react
• [ ] @esri/calcite-design-tokens
• [ ] @esri/eslint-plugin-calcite-components

Esri team

Calcite (design)

[github-actions[bot]]

Installed and assigned for verification.

[DitwanP]

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