Possible to filter by category inside the meta query instead of by using ‘cat’?

I am creating a WordPress query and I want to display all posts that are either in a specific category OR match an ACF meta query. I know I can query all the posts by category like this:

$queryArgs = array( 
    'post_type' => 'product',
    'post_status' => 'publish',
    'posts_per_page' => -1,
    'orderby' => 'title',
    'order' => 'ASC',
    'cat' => 5
)

But the problem is I also want to query additional posts by an Advanced Custom Fields value and none of those posts exist within category 5. Obviously the following won’t work since it’s still searching only in that specific category:

$queryArgs = array( 
    'post_type' => 'product',
    'post_status' => 'publish',
    'posts_per_page' => -1,
    'orderby' => 'title',
    'order' => 'ASC',
    'cat' => 5
    'meta_query' => array(
       'relation' => 'OR',
        array(
            'key' => 'size',
            'value' => 'large',
            'compare' => '='
        )
    )
);

So my question is, instead of displaying all posts from category 5 using ‘cat’ in the query arguments, is it possible to move the cat argument into the meta query so that I can make the relation an OR?