Fix: Broken Reference for Underline Character in Font Asset (2D Space Shooter) [MTT-5223]

[jilfranco-unity]

Updated font asset to have correct Unicode hex for the underline character--this stops a couple of warnings from being spammed in the console

The character used for Underline is not available in font asset [chintzy SDF].
UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

and

The character used for Underline is not available in font asset [chintzy SDF].
UnityEngine.UIElements.UIElementsRuntimeUtilityNative:UpdateRuntimePanels ()

Issue Number(s)

Jira ticket [MTT-5223] here

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