Added opening samples in SlicerT from the file browser (#8100)

Co-authored-by: Dalton Messmer <messmer.dalton@gmail.com>

plugins/SlicerT/SlicerT.cpp

@@ -329,6 +329,11 @@ void SlicerT::updateFile(QString file)
 	emit dataChanged();
 }
 
+void SlicerT::loadFile(const QString& file)
+{
+	updateFile(file);
+}
+
 void SlicerT::updateSlices()
 {
 	findSlices();

plugins/SlicerT/SlicerT.h

@@ -82,6 +82,7 @@ public:
 	void saveSettings(QDomDocument& document, QDomElement& element) override;
 	void loadSettings(const QDomElement& element) override;
 
+	void loadFile(const QString& file) override;
 	void findSlices();
 	void findBPM();