Media: Minor UX Enhancements and Bug Fixes

[zcolah]

High Priority

• [x] Instance Bin Folder View and Eco Bin Folder View are showing files that have a folder
• [x] Upload Modal & Rename File Modal - Type "-" in the file name input when a user types in space (" ")
• [x] Preview Modal - Disable the Arrow Key Image Changing Functionality when a user is typing in the title input and rename modal input

Medium Priority

• [x] Upload Modal - Title does not become plural
• [x] https://github.com/zesty-io/manager-ui/issues/2593
• [x] Move and Delete Buttons Disappearing after files are selected and re-appear on page refresh for a while

Low Priority

• [x] File Upload Modal said file failed at uploading despite successfully uploading