feat: Add filter to the consumers list

[OzTamir]

Description

Added an input field to filter consumers in the respective screen, a functionally everyone at my team greatly need :) The filter is implemented as an anguler filter for the ng-repeat on consumerList, and it's filtering by displayText to avoid making things complicated.

Example

Before filter: After filter:

Notes

Most of the code changes were done by Prettier. I've made sure that I pass lint, but if something goes against the coding style let me know and I'll redo the PR to only include the changes I made without any formatting.