Quality of life improvements - 1.5.2

• ZLE window can be freely resized
• Multiple frames can now be rendered back to back from ZLE with the render button
• Added max framerate option - set your framerate anywhere between 10 and 1000 when vsync is off
• Added scrolling through tiles with a scroll wheel for a better tilemap editing experience
• Some settings buttons changed location
• Level loading crashes handled - new pop up for error messages
• Confirm & cancel buttons look slightly different now
• Some other UI buttons and text slightly changed
• Main font used by ZLE can be exported to a file
• F1 shortcut for settings
• Fixed missing gizmo texture on Linux
• Fixed object duplication missing last character
• Fixed total objects and average objects with Squared video issue