Fixes to remove space when only one country in dropdown on both cart & checkout section

Author: developer19

app/code/Magento/Checkout/Block/Cart/LayoutProcessor.php

@@ -108,6 +108,10 @@ public function process($jsLayout)
                 'country_id' => $this->countryCollection->loadByStore()->toOptionArray(),
                 'region_id' => $this->regionCollection->addAllowedCountriesFilter()->toOptionArray(),
             ];
+			$layoutdata = $jsLayout['components']['checkoutProvider']['dictionaries']['country_id'];
+			if(count( $layoutdata )==2 &&  $layoutdata[0]['value']==''){
+				unset($jsLayout['components']['checkoutProvider']['dictionaries']['country_id'][0] );
+			}
         }
 
         if (isset($jsLayout['components']['block-summary']['children']['block-shipping']['children']

app/code/Magento/Checkout/Block/Checkout/DirectoryDataProcessor.php

@@ -77,6 +77,10 @@ public function process($jsLayout)
                 'country_id' => $this->getCountryOptions(),
                 'region_id' => $this->getRegionOptions(),
             ];
+			$layoutdata = $jsLayout['components']['checkoutProvider']['dictionaries']['country_id'];
+			if(count( $layoutdata )==2 &&  $layoutdata[0]['value']==''){
+				unset($jsLayout['components']['checkoutProvider']['dictionaries']['country_id'][0] );
+			}
         }
 
         return $jsLayout;