Editor: replace Utils::Text::Replacement with Utils::ChangeSet::EditOp for formatting

Removes the last usage of Utils::Text::Replacement with a more commonly used pattern.

Change-Id: I0912bf61388a58ddaba424380ec139f9aa15fc4c
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/clangtools/documentquickfixfactory.cpp

@@ -9,6 +9,7 @@
 
 #include <texteditor/refactoringchanges.h>
 #include <utils/qtcassert.h>
+#include <utils/textutils.h>
 
 namespace ClangTools {
 namespace Internal {