CNDE-2016: Fixed JOIN issue and refactored for performance

[johneipe]

Notes

This includes the following fixes:

• Align F_PAGE_CASE proc to use Look up tables to capture the correct Keys
• Performance improvement to both F_PAGE_CASE and F_STD_PAGE_CASE procedures

JIRA

• Related story: CNDE-2016

Checklist

• PR focuses on a single story.
• New unit tests added and ensured they pass.
• Service has been tested in local and it works as expected.
• Documentation has been updated for this code change (if needed).
• Code follows the Java Coding Conventions (https://www.oracle.com/java/technologies/javase/codeconventions-programmingpractices.html).

Types of changes

What types of changes does this PR introduces?

• Bugfix
• New feature
• Breaking change

Testing

• Does this PR has >90% code coverage?
• Is the screenshot attached for code coverage?
• Does the gradle build pass in your local?
• Is the gradle build logs attached?

[upasanapattnaik-eq]

LGTM!