Gherkin workflows for desktop (#788)

* Add gherkin tests for page navigation links

- test that every page will load when navigating from any other page
- update snapshots

* Add gherkin workflows 2 - 5

- add test for Federal program officer key information and CTA
- add test for Community members key information and CTA
- add test for Send feedback
- add test for Join the Open Source community
- update snapshots

* Add gherkin tests for footer links

- add footerlinks feature gherkin file
- adds a comment to the hyphenizeString()
- adds keyword functions for footer
- adds data-cy tags to footer component
- updates snapshots

* Adds workflow to learn more about EO

* Add gherkin test for dataset links

- add data-cy tags to dataset sections
- modify Cy command functions names
- update snapshots

* Add cypress test to deploy_staging.yml

* Add working directory env

* Remove keywords.js from cypress test

* Add a Then step to all About and Footer tests

* Refactor step definitions

- use globalStepDefinitions
- rename keywords to commonSteps
- remove keyword from exclusion list

client/src/components/__snapshots__/J40Footer.spec.tsx.snap

@@ -7,6 +7,7 @@ exports[`J40Footer renders correctly 1`] = `
   >
     <div
       class="usa-footer__primary-section pb2"
+      data-cy="footer-primary-block"
     >
       <div
         class="grid-container-desktop-lg"
@@ -79,6 +80,7 @@ exports[`J40Footer renders correctly 1`] = `
                 >
                   <a
                     class="footer-link-first-child"
+                    data-cy="whitehouse-gov"
                     href="https://www.whitehouse.gov/"
                     rel="noreferrer"
                     target="_blank"
@@ -90,6 +92,7 @@ exports[`J40Footer renders correctly 1`] = `
                   class="usa-footer__secondary-link"
                 >
                   <a
+                    data-cy="freedom-of-information-act-(foia)"
                     href="https://www.whitehouse.gov/ceq/foia"
                     rel="noreferrer"
                     target="_blank"
@@ -101,6 +104,7 @@ exports[`J40Footer renders correctly 1`] = `
                   class="usa-footer__secondary-link"
                 >
                   <a
+                    data-cy="privacy-policy"
                     href="https://www.whitehouse.gov/privacy/"
                     rel="noreferrer"
                     target="_blank"
@@ -128,6 +132,7 @@ exports[`J40Footer renders correctly 1`] = `
                 >
                   <a
                     class="footer-link-first-child"
+                    data-cy="find-a-contact-at-usa-gov"
                     href="https://www.usa.gov/"
                   >
                     Find a contact at USA.gov