Issue-568: Case snapshot isn't successful - Fixed

[atarora]

The case snapshot feature facing some hiccups due to searchResults.js -> getNumfound method not returning value

Description

Removed the call to the method searchResults.js -> getNumfound() and returned the total numFound for the given query in the snapshot.

Motivation and Context

#568

How Has This Been Tested?

This has been tested by being able to create snapshot successfully and also use in the notebook feature

Screenshots or GIFs (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• Improvement (non-breaking change which improves existing functionality)
• [] New feature (non-breaking change which adds new functionality)
• [] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• [] My change requires a change to the documentation.
• [] I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.