logic: fixed handling case insensitive filepath matches when activating a symbol via editor plugin

src/lib/utility/file/FilePath.cpp

@@ -337,6 +337,11 @@ FilePath FilePath::getConcatenated(const std::wstring& other) const
 	return path;
 }
 
+FilePath FilePath::getLowerCase() const
+{
+	return FilePath(utility::toLowerCase(wstr()));
+}
+
 bool FilePath::contains(const FilePath& other) const
 {
 	if (!isDirectory())

src/lib/utility/file/FilePath.h

@@ -44,6 +44,7 @@ public:
 	FilePath getConcatenated(const FilePath& other) const;
 	FilePath& concatenate(const std::wstring& other);
 	FilePath getConcatenated(const std::wstring& other) const;
+	FilePath getLowerCase() const;
 	std::vector<FilePath> expandEnvironmentVariables() const;
 
 	bool contains(const FilePath& other) const;