- Use "g_" prefix for cursors to signify that it's global but local to the file. - Use `const` cast passing pixel data to GHOST_SetCustomCursorShape. - Remove redundant cast.
- Use "g_" prefix for cursors to signify that it's global but local to the file. - Use `const` cast passing pixel data to GHOST_SetCustomCursorShape. - Remove redundant cast.