masbug

Results 3 issues of masbug

Added constexpr that returns name for the value zero, if it exists.

For debugging etc. it's really usefull to have pretty printed json.

Setting ```setOwnsTexture(false);``` produces memory leaks in: https://github.com/maplibre/maplibre-native-qt/blob/da184cec0e4b4e6794163518e81e97f2c43f0af3/src/quick/texture_node_opengl.cpp#L90-L99 Changing that line to ```setOwnsTexture(true);``` stops the leak.