Game API: Fix copy/paste errors

Allow installing multiple add-ons by ID

Allow installing multiple add-ons by ID

Savestate Manager: Add "Saved with" game client

Allow installing multiple add-ons by ID

Allow installing multiple add-ons by ID

Game OSD: Replace screenshots with gamewindow controls in savestate d…

…ialog

Update prepare-binary-addons.dev.bat script

Revert "[PR 114] RetroPlayer: OpenGL back-end for shaders"

This reverts commit 06452ea.

[PR 22116] ffmpeg5 'vulkan_beta.h' file not found