[Linux] PeacockPatcher throws ArgumentOutOfRange

[TheChilliPL]

Describe the bug
PeacockPatcher throws ArgumentOutOfRange exception on Linux when trying to start it at the same time as Hitman.

To reproduce
Start Hitman, start PeacockPatcher, error appears.

Additional context

Full error message

See the end of this message for details on invoking \njust-in-time (JIT) debugging instead of this dialog box.\n\n************** Exception Text **************\nSystem.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index
  at System.Collections.ArrayList.get_Item (System.Int32 index) [0x0000d] in <38321ff9ca414e9780777c9c907d64fc>:0 
  at System.Diagnostics.ProcessModuleCollection.get_Item (System.Int32 index) [0x00006] in <6ed45bbd5bbf45719e7b728dda16d75e>:0 
  at System.Diagnostics.Process.get_MainModule () [0x00031] in <6ed45bbd5bbf45719e7b728dda16d75e>:0 
  at (wrapper remoting-invoke-with-check) System.Diagnostics.Process.get_MainModule()
  at HitmanPatcher.MemoryPatcher.Patch (System.Diagnostics.Process process, HitmanPatcher.MemoryPatcher+Options patchOptions) [0x00033] in <25ec36bd5e9e4beabba9d7b912689e94>:0 
  at HitmanPatcher.MemoryPatcher.PatchAllProcesses (HitmanPatcher.ILoggingProvider logger, HitmanPatcher.MemoryPatcher+Options patchOptions) [0x000cc] in <25ec36bd5e9e4beabba9d7b912689e94>:0 
  at HitmanPatcher.MainForm.<.ctor>b__5_0 (System.Object sender, System.EventArgs args) [0x00007] in <25ec36bd5e9e4beabba9d7b912689e94>:0 
  at System.Windows.Forms.Timer.OnTick (System.EventArgs e) [0x0000a] in <43da1abbe33c4377b44aa4b40fa6b915>:0 
  at System.Windows.Forms.Timer+TimerNativeWindow.WndProc (System.Windows.Forms.Message& m) [0x0002c] in <43da1abbe33c4377b44aa4b40fa6b915>:0 
  at System.Windows.Forms.NativeWindow.Callback (System.Windows.Forms.Message& m) [0x00025] in <43da1abbe33c4377b44aa4b40fa6b915>:0 

\n************** Loaded Assemblies **************\nmscorlib\n    Assembly Version: 4.0.0.0\n    Win32 Version: 4.6.57.0\n    CodeBase: file:///X:/.local/share/Steam/compatibilitytools.d/GE-Proton-latest/files/share/wine/mono/wine-mono/lib/mono/4.5/mscorlib.dll\n----------------------------------------\nPeacockPatcher\n    Assembly Version: 9.0.1.0\n    Win32 Version: 9.0.1.0\n    CodeBase: file:///S:/Peacock/PeacockPatcher.exe\n----------------------------------------\nSystem.Core\n    Assembly Version: 4.0.0.0\n    Win32 Version: 4.6.57.0\n    CodeBase: file:///X:/.local/share/Steam/compatibilitytools.d/GE-Proton-latest/files/share/wine/mono/wine-mono/lib/mono/gac/System.Core/4.0.0.0__b77a5c561934e089/System.Core.dll\n----------------------------------------\nSystem\n    Assembly Version: 4.0.0.0\n    Win32 Version: 4.6.57.0\n    CodeBase: file:///X:/.local/share/Steam/compatibilitytools.d/GE-Proton-latest/files/share/wine/mono/wine-mono/lib/mono/gac/System/4.0.0.0__b77a5c561934e089/System.dll\n----------------------------------------\nSystem.Windows.Forms\n    Assembly Version: 4.0.0.0\n    Win32 Version: 4.6.57.0\n    CodeBase: file:///X:/.local/share/Steam/compatibilitytools.d/GE-Proton-latest/files/share/wine/mono/wine-mono/lib/mono/gac/System.Windows.Forms/4.0.0.0__b77a5c561934e089/System.Windows.Forms.dll\n----------------------------------------\nSystem.Drawing\n    Assembly Version: 4.0.0.0\n    Win32 Version: 4.6.57.0\n    CodeBase: file:///X:/.local/share/Steam/compatibilitytools.d/GE-Proton-latest/files/share/wine/mono/wine-mono/lib/mono/gac/System.Drawing/4.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll\n----------------------------------------\nAccessibility\n    Assembly Version: 4.0.0.0\n    Win32 Version: \n    CodeBase: file:///X:/.local/share/Steam/compatibilitytools.d/GE-Proton-latest/files/share/wine/mono/wine-mono/lib/mono/gac/Accessibility/4.0.0.0__b03f5f7f11d50a3a/Accessibility.dll\n----------------------------------------\nSystem.Configuration\n    Assembly Version: 4.0.0.0\n    Win32 Version: 4.6.57.0\n    CodeBase: file:///X:/.local/share/Steam/compatibilitytools.d/GE-Proton-latest/files/share/wine/mono/wine-mono/lib/mono/gac/System.Configuration/4.0.0.0__b03f5f7f11d50a3a/System.Configuration.dll\n----------------------------------------\nWineMono.I18N\n    Assembly Version: 4.0.0.0\n    Win32 Version: 4.0.0.0\n    CodeBase: file:///X:/.local/share/Steam/compatibilitytools.d/GE-Proton-latest/files/share/wine/mono/wine-mono/lib/mono/gac/WineMono.I18N/4.0.0.0__0738eb9f132ed756/WineMono.I18N.dll\n----------------------------------------\nWineMono.I18N.West\n    Assembly Version: 4.0.0.0\n    Win32 Version: 4.0.0.0\n    CodeBase: file:///X:/.local/share/Steam/compatibilitytools.d/GE-Proton-latest/files/share/wine/mono/wine-mono/lib/mono/gac/WineMono.I18N.West/4.0.0.0__0738eb9f132ed756/WineMono.I18N.West.dll\n----------------------------------------\n\n************** JIT Debugging **************\n