Web Inspector: Styles: missing contextmenu items for links

Web Inspector: Styles: missing contextmenu items for links
https://bugs.webkit.org/show_bug.cgi?id=191021

Reviewed by Joseph Pecoraro.

* UserInterface/Views/SpreadsheetStyleProperty.js:
(WI.SpreadsheetStyleProperty.prototype._renderValue):
(WI.SpreadsheetStyleProperty.prototype._handleLinkContextMenu): Added.
If the token is subtype of "link", add contextmenu items to the wrapper element.

* UserInterface/Views/ContextMenuUtilities.js:
(WI.appendContextMenuItemsForURL.showResourceWithOptions):
(WI.appendContextMenuItemsForURL):
Drive-by: don't assume that `options` will be provided.
* Localizations/en.lproj/localizedStrings.js:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@237660 268f45cc-cd09-0410-ab3c-d52691b4dbfc