AI textarea with a send button and optional attachment and voice input buttons
Set showTooltip to name the attachments and voice buttons on hover. The copy defaults to "Add attachments" and "Enable voice input".
attachmentsTooltipText and voiceInputTooltipText replace that copy. An empty string hides that button's tooltip.
Tooltip on the attachments button. Shown when `showTooltip` is true.
Shows the attachments and voice button tooltips.
Tooltip on the voice button. Shown when `showTooltip` is true.