QtOutputFormatter: Use cursor object from base class

There does not seem to be a reason for the duplication.

Change-Id: I7c9b016c76a9aa93ccd93af0aea931fa5b148300
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: hjk <hjk@qt.io>

src/libs/utils/outputformatter.cpp

@@ -112,6 +112,11 @@ void OutputFormatter::append(const QString &text, const QTextCharFormat &format)
         d->cursor.insertText(text.mid(startPos), format);
 }
 
+QTextCursor &OutputFormatter::cursor() const
+{
+    return d->cursor;
+}
+
 QTextCharFormat OutputFormatter::linkFormat(const QTextCharFormat &inputFormat, const QString &href)
 {
     QTextCharFormat result = inputFormat;