Download subtitles redesign

Description

Complete redesign of the subtitles download dialog. Improves UX / UI / behavior.

Motivation and Context

How Has This Been Tested?

Screenshots / GIFs (if appropriate):

Capture_vidéo_2020-07-22_09_09_12

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Enhancement (non-breaking change which cleans up / improves existing functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the CONTRIBUTING section of the README document.

Resolves

Fixes: #1351 (closed)