Respect rd query param for redirects

[gbenhaim]

Respect rd query param for redirects when not using manual sign in or when the proxy endpoint returns the sign in page.

[openshift-ci]

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[gbenhaim]

/test e2e-component

[gbenhaim]

/test

[openshift-ci]

@gbenhaim: The /test command needs one or more targets.
The following commands are available to trigger required jobs:

/test e2e-aws

/test e2e-component

/test images

/test unit

/test verify

/test verify-deps

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/test okd-scos-e2e-aws-ovn

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Use /test all to run the following jobs that were automatically triggered:

pull-ci-openshift-oauth-proxy-master-e2e-aws

pull-ci-openshift-oauth-proxy-master-e2e-component

pull-ci-openshift-oauth-proxy-master-images

pull-ci-openshift-oauth-proxy-master-okd-scos-e2e-aws-ovn

pull-ci-openshift-oauth-proxy-master-unit

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[gbenhaim]

/test unit
/test e2e-component

[openshift-ci]

@gbenhaim: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/okd-scos-e2e-aws-ovn	e077d16	link	false	/test okd-scos-e2e-aws-ovn
ci/prow/e2e-component	e077d16	link	true	/test e2e-component

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