Fix error creating pipeline server when data connection endpoint omits scheme

[christianvogt]

Closes: #1350

Depends on #1773 for unit tests.

Description

When creating a data connect whose endpoint does not include a scheme in the URL, creating of a pipeline server will fail with a javascript error attempting to access a property of an undefined value. This is because the regex used to parse the data connection endpoint URL assumed a scheme would always be present.

This change does not affect the UI / UX.

How Has This Been Tested?

1. Create a data connection
2. set the endpoint to s3.amazonaws.com
3. Create a pipeline server
4. Select pre-existing data connection
5. Click Configure button

Test Impact

Added unit test.

Request review criteria:

Self checklist (all need to be checked):

• The developer has manually tested the changes and verified that the changes work
• Commits have been squashed into descriptive, self-contained units of work (e.g. 'WIP' and 'Implements feedback' style messages have been removed)
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has added tests or explained why testing cannot be added (unit tests & storybook for related changes)

If you have UI changes:

• Included any necessary screenshots or gifs if it was a UI change.
• Included tags to the UX team if it was a UI/UX change (find relevant UX in the SMEs section).

After the PR is posted & before it merges:

• The developer has tested their solution on a cluster by using the image produced by the PR to main

[DaoDaoNoCode]

Can you rebase this PR? There is a commit from another PR.

[christianvogt]

@DaoDaoNoCode rebased. The other commit was a dependency on the relocation of unit tests that got merged.

[lucferbux]

/lgtm

Tested a connection without scheme with and without these changes and works as expected.

[DaoDaoNoCode]

/lgtm

[lucferbux]

/approve

[openshift-ci]

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