[EPIC] Contributions Catalog feature improvements

[sandeep-ps]

Description

We need to make multiple improvements to the Contributions Catalog. Creating an epic to document those:

• [FEATURE] Delete button for contribution #944
• [FEATURE] Add support in Contributions BB to upload an icon for Talents and Capabilities #945
• [FEAUTRE] Upload image icons for Talents and Capabilities from the Catalog #952
• [FEATURE] Add support in the Catalog for image editing and deleting.
• [FEATURE] Add hide icon for sensitive data in view Capability page. #950
• [FEATURE] Ability to delete a Capability/Talent within a Contribution #951
• [FEATURE] Minimum user privacy level in Talent should be set to 1 #970
• [FEATURE] Move the Add Talent / Add Capability buttons to the bottom of the section #971
• [FEATURE] Show appropriate error messages when Catalog cannot display a Contribution #961
• [FEATURE] "Add more fields" button need to be aligned within the Environment Variables section #975
• [FEATURE] After editing and saving a Contribution, the user needs to be directed to the Contrbution view page. #976
• [FEATURE] Arrange the environment variables in a single line #989
• [FEATURE] Delete environment variables #980
• [FEATURE] Change edit button color and differentiate it from delete #981
• [FEATURE] Add a Cancel button in the Edit page. #986
• [FEATURE] In edit mode, we should display "Capability - " instead of "Add a Capability.. " for existing Capabilities #984
• [FEATURE] In view Capabilities page, arrange environment variables in a single line. #993
• [FEATURE] [DRAFT] Explore adding a type for environment variable.
• [FEATURE] Search Capabilities and Talents. #1004
• [FEATURE] Redirect home page endpoint to /catalog.
• User confirmation before Cancel in catalog #1022
• Use init-db function in contributions #1038
• [FEATURE] Update displayed roles to match the user roles in the Illinois app.
• Save create contribution form data on accidental click #1086
• Dynamic docker image field in catalog contribute page #1088

Acceptance Criteria

All of the individual features are completed.