Utils: Make StringAspect's (potential) PathChooser accessible

This is not advised use, but helps to avoid an awful hack in the
AppManager plugin.

Change-Id: If40535dfb2c7bd15ff6d4fe49f4fa45d68150ef6
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/libs/utils/aspects.cpp

@@ -839,6 +839,11 @@ void StringAspect::setFilePath(const FilePath &value)
     setValue(value.toUserOutput());
 }
 
+PathChooser *StringAspect::pathChooser() const
+{
+    return d->m_pathChooserDisplay.data();
+}
+
 /*!
     \internal
 */

src/libs/utils/aspects.h

@@ -338,6 +338,8 @@ public:
     Utils::FilePath filePath() const;
     void setFilePath(const Utils::FilePath &value);
 
+    PathChooser *pathChooser() const; // Avoid to use.
+
 signals:
     void checkedChanged();