Improve absolute/relative path detection

src/base/path.cpp

@@ -95,11 +95,17 @@ bool Path::isEmpty() const
 
 bool Path::isAbsolute() const
 {
+    // `QDir::isAbsolutePath` treats `:` as a path to QResource, so handle it manually
+    if (m_pathStr.startsWith(u':'))
+        return false;
     return QDir::isAbsolutePath(m_pathStr);
 }
 
 bool Path::isRelative() const
 {
+    // `QDir::isRelativePath` treats `:` as a path to QResource, so handle it manually
+    if (m_pathStr.startsWith(u':'))
+        return true;
     return QDir::isRelativePath(m_pathStr);
 }