chore: improve floating schedule button (#23873)

Co-authored-by: Eunjae Lee <hey@eunjae.dev>

packages/embeds/embed-core/src/FloatingButton/FloatingButtonHtml.ts

@@ -17,7 +17,7 @@ const getHtml = ({
 rounded-full py-4 px-6 text-base outline-none drop-shadow-md transition focus:outline-none fo
 cus:ring-4 focus:ring-gray-600 focus:ring-opacity-50 active:scale-95" 
 style="background-color:${buttonColor}; color:${buttonTextColor} z-index: 10001">
-<div id="button-icon" class="mr-3 flex items-center justify-center">
+<div id="button-icon" class="flex items-center justify-center">
   <svg
 	class="h-7 w-7"
 	fill="none"
@@ -31,7 +31,7 @@ style="background-color:${buttonColor}; color:${buttonTextColor} z-index: 10001"
 	  d="M8 7V3m8 4V3m-9 8h10M5 21h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z"></path>
   </svg>
 </div>
-<div id="button" class="font-semibold leading-5 antialiased">${buttonText}</div>
+<div id="button" class="ml-3 font-semibold leading-5 antialiased">${buttonText}</div>
 </button>`;
 };