Deprecate usage of iconDescription for v11

[joshblack]

We currently use the iconDescription prop in the following components: Link

We want iconDescription to no longer be needed. The accessible label for a component should come from either content or a direct aria-label, aria-labelledby, or aria-describedby prop.

• Select
• Button (should be deprecated with IconButton)
• TimePickerSelect (I think this can be deprecated / removed)
• RadioTile
• SelectableTile
• SearchFilterButton deprecated
• OverflowMenu (used for aria-label and <title>, should change to label)
• NumberInput (used for both increment and decrement buttons)
• NotificationButton (used for label on button, no tooltip)
• NotificationIcon (used for <title> in SVG)
• ToastNotification (passed to NotificationButton for close)
• InlineNotification (passed to NotificationButton for close)
• Modal (uses iconDescription for close label)
• InlineLoading (could use label, mismatch with Loading which uses description)
• FileUploaderItem (this gets passed to Filename)
• Filename (should this just be label?)
• FileUploader (this gets passed to Filename)
• DatePickerInput (is this needed for this input?)
• TableToolbarMenu (this gets passed to OverflowMenu)
• TableBatchAction (this gets passed to Button)
• CopyButton (updated to use label)
• ModalHeader (used for close icon label)
• AccordionItem

[joshblack]

Deprecation warning should read something like:

The iconDescription prop is no longer needed and can be safely removed. This prop will be removed in the next major release of Carbon.

OR

The iconDescription prop has been deprecated, use the soAndSo prop instead. This prop will be removed in the next major release of Carbon.

[dlavrenuek]

@joshblack Now that the iconDescription is gone from ToastNotification it is no longer possible to set a localized title for the close button (NotificationButton). This does not seem to be the desired behavior, is there already a plan to have this title being set with other means?