ConsoleProcess: Make setSettings() a static member

Since it's not possible to use directly ICore::settings()
inside Utils lib, make setSettings() a static member.
This simplifies the API of other static methods.
Set the settings just once now, inside main().

Change-Id: I2bcc58d4d29b5aba4a1a21a98a9f4245b24b530f
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: hjk <hjk@qt.io>

src/plugins/coreplugin/fileutils.cpp

@@ -139,7 +139,7 @@ void FileUtils::openTerminal(const FilePath &path, const Environment &env)
     const QString pwd = QDir::toNativeSeparators(fileInfo.isDir() ?
                                                  fileInfo.absoluteFilePath() :
                                                  fileInfo.absolutePath());
-    ConsoleProcess::startTerminalEmulator(ICore::settings(), pwd, env);
+    ConsoleProcess::startTerminalEmulator(pwd, env);
 }
 
 QString FileUtils::msgFindInDirectory()