MISC: Use more string literals with Qt as constructing a QString from a thing...

MISC: Use more string literals with Qt as constructing a QString from a thing created with a QStringLiteral macro is apparently free

src/Lib/Document/VivyDocument.hh

@@ -43,12 +43,12 @@ public:
 
     static QString runtimeVersion;
 
-    static inline const QString fileSuffix{ "vivy" };
+    static inline const QString fileSuffix               = QStringLiteral("vivy");
     static inline constexpr Utils::DocumentType type     = Utils::DocumentType::Vivy;
-    static constexpr inline quint64 possibleCapabilities = AudioAble | VideoAble | AssAble;
+    static inline constexpr quint64 possibleCapabilities = AudioAble | VideoAble | AssAble;
 
 private:
-    /* The document name */
+    /* The document name, the filepath is {location}/{name}.{suffix} */
     QString documentName;
     QDir documentLocation{ QDir::current() };