Fixes dracula theme tag background

[oyeyipo]

Description

Tag background has an off color for dracula theme.

Issue fixed

fix #3648

Type of changes

• :radio_button: : Bug fix (Change that fixed an issue)
• :white_circle: Breaking change (Change that can cause existing functionality to change)
• :radio_button: Improvement (Change that improves the code. Maybe performance or development improvement)
• :white_circle: Feature (Change that adds new functionality)
• :white_circle: Documentation change (Change that modifies documentation. Maybe typo fixes)

Checklist:

• :radio_button: My code follows the project code style
• :white_circle: I have written test for my code and it has been tested
• :radio_button: All existing tests have been passed
• :radio_button: I have attached a screenshot/video to visualize my change if possible
• :radio_button: This PR will modify the UI or affects the UX
• :white_circle: This PR will add/update/delete a keybinding

[oyeyipo]

glad!