SidebarNavigationLink: set parent height for before svg is loaded

app/soapbox/components/sidebar-navigation-link.tsx

@@ -37,14 +37,16 @@ const SidebarNavigationLink = ({ icon, text, to, count }: ISidebarNavigationLink
           </span>
         ) : null}
 
+        <div className='h-5 w-5'>
           <Icon
             src={icon}
             className={classNames({
-            'h-5 w-5': true,
+              'h-full w-full': true,
               'text-primary-700 dark:text-white': !isActive,
               'text-white': isActive,
             })}
           />
+        </div>
       </span>
 
       <Text weight='semibold' theme='inherit'>{text}</Text>