va-file-input-multiple emits twice on file upload

[ataker]

Description

When a file is uploaded to va-file-input-multiple the vaMultipleChange event fires twice. It should only fire once.

Estimating

Provide your estimate of 1, 2, 3, 5, 8 or 13
@Andrew565 - 5
@ataker - 5
@harshil1793 - 5
@it-harrison - 5
@jamigibbs - 5
@micahchiang - 5
@powellkerry - 5
@rmessina1010 - 5
@rsmithadhoc - 2

Tasks

• Investigate a fix the multiple event firing

Acceptance Criteria

• vaMultipleChange only fires once when a file is uploaded