v0.8.3-beta4

Just a small update with a few important fixes.

Changes:

• Instruct Menu now uses new dropdown and popup menu for button functions.

Fixes:

• The Samsung/Pixel header button bug for the API Manager.
• Exporting strings resulting is broken base64 files instead
• Incorrect response parsers for OpenAI, Text Completions and Chat Completions
• Checkboxes not updating properly