Add edit button in presets and osu wallpaper with path fix

[Naguuw]

Changes

• Preset Renaming: Added an edit button (pencil icon) to allow users to rename saved presets.
• Osu! Wallpaper Integration: Integrated the previously abandoned osu! image generation script into the launcher search.
• Path Fix: Updated the internal paths from ii to end4-pC.
• Color FIx: Fixed the accent color. color picker + custom color options #46

Usage

To generate osu! wallpapers, type /osuwallpaper in the launcher search (similar to the konachan command).

Visual Comparison

Before	After