508 Compliance - SortSite level AA MMT and Draft MMT: new window links

[Francell]

Page:
https://mmt.sit.earthdata.nasa.gov/manage_collections
https://mmt.sit.earthdata.nasa.gov/manage_cmr

Issue: Avoid specifying a new window as the target of a link with target="_blank".

Explanation:
Displaying new windows without warning can be very confusing to non-sighted and mobile users. Some screen readers and mobile devices give very little indication a new tab or window has opened. If you cannot avoid displaying a new window, insert a warning into the link text like the following: "opens in a new window".

Guideline:
WCAG 1.0 AA 10.1
WCAG 2.0 AAA F22

Acceptance Criteria: If new windows are displayed, a warning is inserted into the link text like the following: "opens in a new window".

Note: Context is important here. Why are we opening up a new window? Is this to take someone away from MMT? Off to a dataset page from a DAAC? Regardless, we should avoid this if possible especially because users can choose to open links in a new tab if they'd like.