fix: support mixed-case extensions in Linux file dialogs (#33918)
fix: support mixed-case extensions in Linux file dialogs (#33918)


electron/electron,electron/electron,electron/electron,gerhardberger/electron,electron/electron,gerhardberger/electron,gerhardberger/electron,electron/electron,gerhardberger/electron,electron/electron,gerhardberger/electron,electron/electron,gerhardberger/electron,gerhardberger/electron