Fix terminal command on macOS

After 4c88c1808c the terminal command
itself may no longer have quoted spaces (since it is directly passed to
QProcess as the program name).

Change-Id: Iee4b9a6c3a87c29cb29cc732f6027f1c742f9eb5
Reviewed-by: André Hartmann <aha_1980@gmx.de>
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>

src/libs/utils/consoleprocess_unix.cpp

@@ -350,9 +350,10 @@ TerminalCommand ConsoleProcess::defaultTerminalEmulator()
     if (defaultTerm.command.isEmpty()) {
         defaultTerm = []() -> TerminalCommand {
             if (HostOsInfo::isMacHost()) {
-                QString termCmd = QCoreApplication::applicationDirPath() + "/../Resources/scripts/openTerminal.command";
+                const QString termCmd = QCoreApplication::applicationDirPath()
+                                        + "/../Resources/scripts/openTerminal.command";
                 if (QFileInfo::exists(termCmd))
-                    return {termCmd.replace(' ', "\\ "), "", ""};
+                    return {termCmd, "", ""};
                 return {"/usr/X11/bin/xterm", "", "-e"};
             }
             const Environment env = Environment::systemEnvironment();