fix(combobox): fix aria-role for proper voiceover support (#9039)

**Related Issue:** #8460

## Summary

- Move combobox role from container wrapper to the input element
-
https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles/combobox_role#examples

packages/calcite-components/src/components/combobox/combobox.tsx

@@ -1554,7 +1554,10 @@ export class Combobox
           aria-activedescendant={this.activeDescendant}
           aria-autocomplete="list"
           aria-controls={`${listboxUidPrefix}${guid}`}
+          aria-expanded={toAriaBoolean(open)}
+          aria-haspopup="listbox"
           aria-label={getLabelText(this)}
+          aria-owns={`${listboxUidPrefix}${guid}`}
           class={{
             input: true,
             "input--single": true,
@@ -1568,6 +1571,7 @@ export class Combobox
           onFocus={this.comboboxFocusHandler}
           onInput={this.inputHandler}
           placeholder={placeholder}
+          role="combobox"
           type="text"
           // eslint-disable-next-line react/jsx-sort-props -- ref should be last so node attrs/props are in sync (see https://github.com/Esri/calcite-design-system/pull/6530)
           ref={(el) => (this.textInput = el as HTMLInputElement)}
@@ -1662,21 +1666,14 @@ export class Combobox
       <Host onClick={this.comboboxFocusHandler}>
         <InteractiveContainer disabled={this.disabled}>
           <div
-            aria-autocomplete="list"
-            aria-controls={`${listboxUidPrefix}${guid}`}
-            aria-expanded={toAriaBoolean(open)}
-            aria-haspopup="listbox"
-            aria-label={getLabelText(this)}
             aria-live="polite"
-            aria-owns={`${listboxUidPrefix}${guid}`}
             class={{
               wrapper: true,
               "wrapper--single": singleSelectionMode || !this.selectedItems.length,
               "wrapper--active": open,
             }}
             onClick={this.clickHandler}
             onKeyDown={this.keyDownHandler}
-            role="combobox"
             // eslint-disable-next-line react/jsx-sort-props -- ref should be last so node attrs/props are in sync (see https://github.com/Esri/calcite-design-system/pull/6530)
             ref={this.setReferenceEl}
           >