refactor: input value 덮어씌워지지 않도록 수정

Author: juyeong-s

client/src/pages/Workspace/index.tsx

@@ -1,4 +1,4 @@
-import { useState } from 'react';
+import { useEffect, useState } from 'react';
 import SelcetModal from 'src/components/SelectModal';
 import WorkspaceList from 'src/components/WorkspaceList';
 import WorkspaceModal from 'src/components/WorkspaceModal';
@@ -29,6 +29,10 @@ function WorkspacePage() {
     }
   };
 
+  useEffect(() => {
+    if (clickedMenuId !== 3) setInputValue('');
+  }, [clickedMenuId]);
+
   return (
     <div className={style.container}>
       <WorkspaceList onSelectModalOpen={() => setIsOpenSelectModal(true)} />