Fix font ellipsis

[networkfusion]

Description

• Update libdragon submodule.
• Add optimization.

Motivation and Context

ellipsis was broken.

How Has This Been Tested?

Screenshots

Types of changes

• Improvement (non-breaking change that adds a new feature)
• Bug fix (fixes an issue)
• Breaking change (breaking change)
• Config and build (change in the configuration and build system, has no impact on code or features)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

Signed-off-by: GITHUB_USER <GITHUB_USER_EMAIL>

[networkfusion]

It still seems blured compared to the other chars, but at least it seems to be displayed properly!