logic: Fixed multiple active symbols broken on undo

* fixed undoing to multiple actives didn't show all nodes in graph
* fixed wrong name in search bar, status message and history dropdown
* fixed flicker when activating multiple nodes in code view

src/lib_gui/qt/element/QtCodeFileList.cpp

@@ -74,6 +74,7 @@ void QtCodeFileList::clear()
 {
 	for (QtCodeFile* file : m_files)
 	{
+		file->hide();
 		file->deleteLater();
 	}
 

src/lib_gui/qt/element/QtSmartSearchBox.cpp

@@ -190,10 +190,10 @@ bool QtSmartSearchBox::event(QEvent *event)
 				{
 					addMatchAndUpdate(m_highlightedMatch);
 				}
-				else if (m_highlightedMatch.hasChildren)
+				else if (m_highlightedMatch.hasChildren && m_highlightedMatch.tokenNames.size())
 				{
 					setEditText(QString::fromStdWString(
-						m_highlightedMatch.getFullName() + nameDelimiterTypeToString(m_highlightedMatch.tokenName.getDelimiter())));
+						m_highlightedMatch.getFullName() + nameDelimiterTypeToString(m_highlightedMatch.tokenNames[0].getDelimiter())));
 					requestAutoCompletions();
 				}
 				else

src/lib_gui/qt/view/QtCodeView.cpp

@@ -131,7 +131,6 @@ void QtCodeView::showCodeSnippets(const std::vector<CodeSnippetParams>& snippets
 			if (snippet.isCollapsed)
 			{
 				m_widget->addFile(snippet.locationFile, snippet.refCount, snippet.modificationTime);
-
 				addedFiles = true;
 			}
 			else
@@ -162,6 +161,11 @@ void QtCodeView::updateCodeSnippets(const std::vector<CodeSnippetParams>& snippe
 
 		for (const CodeSnippetParams& snippet : snippets)
 		{
+			if (!snippet.locationFile || snippet.isCollapsed || snippet.reduced)
+			{
+				continue;
+			}
+
 			m_widget->updateCodeSnippet(snippet);
 		}
 	});