Form conversion: Configuration Settings/Servers/Custom logos

[himdel]

Convert form to use DDF/React and API - parent issue #6825

Location: Configuration
Form: Settings/Servers/Custom logos

current type: Ruby
API state:
Need info

PM Input: 2 - Medium

imported status: NOT ASSIGNED

Missing components:

• file upload

[skateman]

There's an API endpoint for setting/enabling the logos, but not for uploading the files ManageIQ/manageiq-api#903

[skateman]

API is read-only ManageIQ/manageiq-api#920