Gridlayout is stupid (or me)

I've had horrible experiences with this framework, I just don't understand where these spacings between the lines of my grid come from.
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Le rapport fournit uniquement une capture d’écran, une description d’un espacement inattendu dans la grille et les versions des dépendances ; il ne mentionne aucun fichier du dépôt, aucun test ni aucune mise en page reproductible. Commencez par identifier le balisage et les styles de GridLayout à partir de l’exemple joint, puis reproduisez l’espacement avec les versions indiquées de NativeScript et Angular. La tâche est terminée lorsque la cause de l’espacement est isolée et que le comportement attendu de la mise en page est documenté ou vérifié.