Add title to all iframes used on site

[deniselashlley]

• In reference to this ticket iFrame accessibility  #1406
• All iframes used should have the title attribute for accessibility
• please note the video embed iframe are fixed with the title showing.

example using a iframe with no title
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[deniselashlley]

Please note: This requires some Drupal work by extending the current iframe code library to allow the ability to pass a iframe title