Allow Multiple Boolean Field Values to be passed in the Site Settings Loader

Currently if we create a site settings with multiple boolean fields A and B. The site settings loader returns both the values only if the both the values are set to true. We are unable to fetch the value of the filed if its value is set to false.

Site settings array if only one value is set to true.

Array
(
    [site_settings] => 1
)

Site settings array if both value are set.

Array
(
    [site_settings] => Array
        (
            [field_A] => 1
            [field_B] => 1
        )

)

Idea is to get an output as if field B is not set

Array
(
    [site_settings] => Array
        (
            [field_A] => 1
            [field_B] => 0
        )

)