chore(user-settings-item): removes header focus (#12741)

chore(user-settings-item): removes header focus

Header of the item is no longer focusable. This removes the unnecessary tab stop and the keyboard navigation flow is now aligned with the spec.

Co-authored-by: Dobromira Boycheva <dobromira.boycheva@sap.com>

Author: SvilenDarvenyashki

packages/fiori/src/UserSettingsItemTemplate.tsx

@@ -38,7 +38,7 @@ export default function UserSettingsItemTemplate(this: UserSettingsItem) {
 
 	return (
 		<div class="ui5-user-settings-item">
-			<header class="ui5-user-settings-item-header-container" tabindex={0}>
+			<header class="ui5-user-settings-item-header-container">
 				<div class="ui5-user-settings-item-header">
 					<Button icon="nav-back" design="Transparent" onClick={this._handleBackButtonClick} class="ui5-user-settings-item-collapse-btn" style={{ display: this._shouldShowBackButton ? "block" : "" }}></Button>