Update Script texture asset

[Gopmyc]

Description

Updated the Script editor texture asset with a new 16x16 PNG version.
The texture format/dimensions stay the same, and the asset size is reduced (350 B -> 197 B).

Related Issue(s)

Fixes #760

Review Guidance

Only one file changed: Resources/Editor/Textures/Script.png.
Please verify Script icon rendering where this texture is used in the editor UI.

Screenshots/GIFs

N/A

AI Usage Disclosure

None

Checklist

• My code follows the project's code style guidelines
• When applicable, I have commented my code, particularly in hard-to-understand areas
• When applicable, I have updated the documentation accordingly
• My changes don't generate new warnings or errors
• I have reviewed and take responsibility for all code in this PR (including any AI-assisted contributions)