fix: one slide paddings adjustments (#1321)

Author: niktverd

src/blocks/Slider/Slider.scss

@@ -38,7 +38,10 @@ $dotSize: 8px;
     }
 
     &__slide.swiper-slide {
-        padding: 0 #{$gridGutter};
+        @include add-specificity(&) {
+            padding: 0 #{$gridGutter};
+        }
+
         box-sizing: border-box;
         height: auto;