Fixed stock overview page did not load when GROCY_FEATURE_FLAG_STOCK_BEST_BEFORE_DATE_TRACKING is disabled (references #673)
Fixed stock overview page did not load when GROCY_FEATURE_FLAG_STOCK_BEST_BEFORE_DATE_TRACKING is disabled (references #673)

berrnd/grocy,berrnd/grocy,berrnd/grocy,berrnd/grocy