projectMSDL-Windows-x64-2.0-pre5

Highlights
Restored Preset Search functionality (issue projectM-visualizer#99).
Added a quick search popup for playlist presets, opened with Enter.
Added playback menu entry: Preset Search....
Updated Quick Help shortcut list to include Preset Search.
Preset Search behavior
Type to filter presets (case-insensitive substring match).
Navigate search results and load a preset via:
Load Selected button
Double-click on a result
Close popup with Esc or Close button.
Stability and input fixes
Fixed popup closing immediately after open from key reuse/repeat.
Fixed input capture getting stuck after popup close (keyboard/mouse responsiveness restored).
Fixed reopen cycle behavior so search can be opened/closed repeatedly without UI lockups.