improve management of access rights for entities with the `aclRls` mixin

• display 2 columns Subject and Name on the table for entries of the aclRls mixin;
• add universal form for adding rows to the aclRls mixin
• UTableEntity: now show filter control if there are no available columns for filtration;
• UTableEntity: assign default value [] for hideActions to simplify interaction with this variable from othe places;
• UToolbar: showDropdown prop that allows preventing rendering of the dropdown menu;
• UCardView: fix rendering of values if the cell template is not defined for the related column;
• new addCollectionItemWithoutDefaultValues action that makes addNew request without fetching default params and push it in collection
• add toValidate property to the UTableColumn, which allows skipping checking the column in the validateFieldList method - useful for custom unfamiliar columns