Utils: Do not update pathchooser value from displayed string

The displayed string may differ from its "real" resulting path
depending on having a base directory or not.

Fixes: QTCREATORBUG-26408
Change-Id: Ic569671899329249559a2bfb3ecd30190f166dba
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/libs/utils/aspects.cpp

@@ -1081,8 +1081,9 @@ void StringAspect::addToLayout(LayoutBuilder &builder)
                     d->m_blockAutoApply = false;
                 });
             } else {
-                connect(d->m_pathChooserDisplay, &PathChooser::pathChanged, this, [this] {
-                    setValue(d->m_pathChooserDisplay->filePath().toString());
+                connect(d->m_pathChooserDisplay, &PathChooser::pathChanged,
+                        this, [this](const QString &path) {
+                    setValue(path);
                 });
             }
         }