ui/logic/data: show parse errors in CodeView

This change saves the errors while parsing in the Storage and displays them in the CodeView. The error messages can be
read in the tooltip on hovering. The error count is visible in the status bar.

src/lib/data/search/SearchNode.cpp

@@ -107,6 +107,20 @@ SearchResults SearchNode::runFuzzySearch(const std::string& query) const
 	return result;
 }
 
+SearchResults SearchNode::runFuzzySearchOnSelf(const std::string& query) const
+{
+	SearchResults result;
+	FuzzyMap m = fuzzyMatchRecursive(query, 0, 0, 0);
+	for (const std::pair<size_t, const SearchNode*>& p : m)
+	{
+		addResultsRecursive(result, p.first, p.second);
+	}
+
+	// TODO: Currently all matches are added to the ordered set and get compared by their fullName for alphabetical
+	// order. This could be improved by limiting the number of items to e.g. 100.
+	return result;
+}
+
 void SearchNode::addResultsRecursive(SearchResults& result, size_t weight, const SearchNode* node) const
 {
 	result.insert(SearchResult(weight, node, this));