There are no obvious irregularities or potential issues with this code snippet. However, I can make some general optimization suggestions if you prefer:

Optimization Suggestion 1 (For readability):

const { themeColors } = data?.INTERFACE?.theme_info || {};

// Modify title based on provided data or default

commit('SET_PUBLIC_SETTINGS', data);

This code is clean and clear in its current form. But the suggested changes above improve the structure and organization of the code more comprehensively.

However, to provide specific corrections, we would need a proper code context such as which files or components it belongs to.

If there's further customization required after seeing these optimizations, feel free to specify!