OpenTK 5.0.0-pre.10

Merged OpenTK 4.8.2 onto 5.0-pre.9. (@NogginBops) This means that all changes from 4.8.2 are also in this release. Moved OpenTK.Color3 to OpenTK.Mathematics.Color3. (@NogginBops) Fix NativeWindow so it properly loads OpenGL bindings without crashing. (@NogginBops) Fix bindings generator locale issue that caused wrong results on certain locales. (@utkumaden) Changed the name of some enum group to be more like OpenTK 4 groups. Notable examples are BufferTargetARB -> BufferTarget and BlendEquationModeEXT -> BlendEquationMode. (@NogginBops) Fix WGL and GLX bindings and loading. (@NogginBops) Change EGL bindings to DllImport for libEGL instead of libEGL.dll. (@NogginBops) Made bindings generator correctly bind function taking GLX opaque struct pointers like Display*. (@NogginBops) Fixed WGL GetProcAddress bindings to correctly marshal strings. (@NogginBops) Platform Abstraction Layer 2.0 (PAL2): Removed internal locks from EventQueue. (@utkumaden) Add IWindowComponent.GetBounds/SetBounds + client bounds versions. (@NogginBops) Add functions for getting native handles from PAL2 handles. (@NogginBops) Added functions and event data for keyboard modifiers. (@NogginBops) Win32: Fix sticky RightControl, LeftAlt, and RightAlt keys. (@NogginBops) Win32: Fix duplicate TextInput events when using IME. (@NogginBops) Win32: Fix CanIncludeInClipboardHistory and CanUploadToCloudClipboard. (@NogginBops) X11: Implemented X11KeyboardComponent.GetKeyboardModifiers(). (@NogginBops) X11: Implemented X11MouseComponent.GetMouseState(). (@NogginBops) X11: Implemented X11ShellComponent.GetPreferredTheme(). (@NogginBops) X11: Implemented ClipboardUpdate, DisplayConnectionChanged, FileDrop, KeyDown, and KeyUp events. (@NogginBops) macOS: Implemented MacOSWindowComponent.GetIcon/SetIcon. (@NogginBops) macOS: Implemented MacOSWindowComponent.SetSize/SetClientSize. (@NogginBops) macOS: Implemented MacOSWindowComponent.[Set/Get][Max/Min]ClientSize. (@NogginBops) macOS: Implemented MacOSWindowComponent.GetDisplay. (@NogginBops) macOS: Implemented window hit test callback for HitType.Draggable. (@NogginBops) macOS: Implemented MacOSWindowComponent.SetCursor. (@NogginBops) macOS: Implemented MacOSMouseComponent.SetPosition. (@NogginBops) macOS: Implemented MacOSDisplayComponent fully. (@NogginBops) macOS: Implemented MacOSCursorComponent fully. (@NogginBops) macOS: Implemented basic KeyDown/KeyUp. (@NogginBops) macOS: Implemented MacOSKeyboardComponent.GetKeyboardState/GetKeyboardModifiers. (@NogginBops) macOS: Implemented MacOSIconComponent fully. (@NogginBops) macOS: Implemented MacOSShellComponent fully. (@NogginBops) macOS: Implemented Focus, WindowMove/WindowResize, WindowModeChange, MouseEnter, KeyDown/KeyUp, TextInput, ThemeChange, and DisplayConnectionChanged events. (@NogginBops) ANGLE: Made ANGLEOpenGLComponent work with the X11 backend. (@NogginBops)