completeOAuth2 checks window.parent and window.opener for handler

[pfcstyle]

See #711

[pfcstyle]

#711

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@abaaa16). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             master      #712   +/-   ##
==========================================
  Coverage          ?   100.00%           
==========================================
  Files             ?       107           
  Lines             ?      1635           
  Branches          ?       293           
==========================================
  Hits              ?      1635           
  Misses            ?         0           
  Partials          ?         0           

Impacted Files	Coverage Δ
...s/arcgis-rest-portal/test/mocks/items/resources.ts	100.00% <0.00%> (ø)
...kages/arcgis-rest-portal/src/users/get-user-url.ts	100.00% <0.00%> (ø)
...rcgis-rest-request/test/mocks/sharing-rest-info.ts	100.00% <0.00%> (ø)
...cgis-rest-portal/src/util/get-subscription-info.ts	100.00% <0.00%> (ø)
packages/arcgis-rest-portal/src/users/update.ts	100.00% <0.00%> (ø)
packages/arcgis-rest-request/test/mocks/webmap.ts	100.00% <0.00%> (ø)
...arcgis-rest-portal/test/mocks/users/user-search.ts	100.00% <0.00%> (ø)
packages/arcgis-rest-geocoding/src/suggest.ts	100.00% <0.00%> (ø)
...ackages/arcgis-rest-portal/src/users/invitation.ts	100.00% <0.00%> (ø)
packages/arcgis-rest-auth/test/utils.ts	100.00% <0.00%> (ø)
... and 97 more

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[dbouwman]

@pfcstyle - does not look like any actual changes were pushed up on your branch.

[dbouwman]

Closing in favor of #714