Always storing MBID in lowercase to avoid silly duplicates

src/libs/utils/include/utils/String.hpp

@@ -21,6 +21,7 @@
 
 #include <optional>
 #include <string>
+#include <string_view>
 #include <sstream>
 #include <vector>
 
@@ -40,7 +41,7 @@ std::string
 stringTrimEnd(const std::string& str, const std::string& whitespaces = " \t");
 
 std::string
-stringToLower(const std::string& str);
+stringToLower(std::string_view str);
 
 std::string
 stringToUpper(const std::string& str);

src/libs/utils/include/utils/UUID.hpp

@@ -34,7 +34,7 @@ class UUID
 		std::string_view getAsString() const { return _value; }
 
 	private:
-		UUID(std::string_view value) : _value {value} {}
+		UUID(std::string_view value);
 		std::string _value;
 };