server disconnection when importing manual input file

[stufraser1]

Test how many users needed to break the appon idf-rmsg domain; may need to put on oasis domain / docker scaling approach per Oasis RiskExplorer.

[stufraser1]

This was due to mismatch in file name/extension being searched by the tool and files contained in the tempalte folder. Resolved with updates to the input guidance and file templates