feat: SW-276 Optimized code

components/GuestsRoomsPicker/GuestsRoomPicker/AdultSelector/adult-selector.module.css

@@ -1,6 +1,6 @@
 .container {
   display: grid;
-  grid-template-columns: auto auto auto auto;
+  grid-template-columns: repeat(4, auto);
   align-items: center;
 }
 

components/GuestsRoomsPicker/GuestsRoomPicker/AdultSelector/index.tsx

@@ -15,18 +15,14 @@ export default function AdultSelector({
   const adultsLabel = intl.formatMessage({ id: "Adults" })
 
   function decreaseAdults() {
-    if (adults <= 1) {
-      return
+    if (adults > 1) {
+      updateAdults(adults - 1)
     }
-    adults = adults - 1
-    updateAdults(adults)
   }
   function increaseAdults() {
-    if (adults > 5) {
-      return
+    if (adults < 6) {
+      updateAdults(adults + 1)
     }
-    adults = adults + 1
-    updateAdults(adults)
   }
 
   return (