design: 에픽 드롭다운 height 조정

Author: surinkwon

frontend/src/components/backlog/EpicDropdown.tsx

@@ -86,7 +86,7 @@ const EpicDropdown = ({
   }, []);
 
   return (
-    <div className="max-h-[18.7rem] overflow-y-auto absolute z-10 p-1 bg-white rounded-md w-72 shadow-box">
+    <div className="absolute z-10 p-1 bg-white rounded-md w-72 shadow-box">
       <div className="flex p-1 border-b-2">
         {selectedEpic && (
           <div className="min-w-[5rem]">
@@ -112,7 +112,7 @@ const EpicDropdown = ({
           <CategoryChip content={value} bgColor={epicColor} />
         </div>
       ) : (
-        <ul className="pt-1">
+        <ul className="max-h-[16rem] overflow-y-auto scrollbar-thin pt-1">
           {...epicList.map((epic) => (
             <li
               key={epic.id}