v2.4.1 - String formatting fixes and regex error handling

• Upload tab
  • Added pre-upload error reporting when Exclude files/folders has bad regex
  • Added warning when cache file path exceeds OS limit (Windows 260, Mac 255, Linux 4096 characters)
  • Added string format examples to "Show as Formatted text" toggle
  • Fixed new modifiers starting with bad regex
  • Fixed string formatting not working in most sources, modifiers, destinations
  • Fixed file/folder source text field not filling the entire container
• Preferences
  • Fixed cache build folder size not updating when changing the path