[Fix]: FEC Explorer Table query issued twice

[nxanil]

@killanch @chaitanyahalbe

Fixed Issue nuagenetworks/vis-graphs#429. Please have a look.

[chaitanyahalbe]

@nxanil Will test this on a setup and get back to you.

[chaitanyahalbe]

@nxanil Verified this. It works. Please ignore the 400 errors in the below screenshots as the ES did not have the nuage_fec index. The UI shows up with 'Unable to fetch data' message in the table in this case.

Before:

After:

cc @killanch

[killanch]

@chaitanyahalbe can you build a war file with these changes and provide to @sreddy80?
@sreddy80 could you pls do sanity tests with the above war file? UI visualizations should work as expected

[chaitanyahalbe]

@chaitanyahalbe can you build a war file with these changes and provide to @sreddy80?
@sreddy80 could you pls do sanity tests with the above war file? UI visualizations should work as expected

@killanch Gave the war file to @sreddy80 for testing.

[nxanil]

@chaitanyahalbe
This PR is already approved. Can we merge it?