fix: 쿠키 파싱 시 맨 처음 발견된 =만 split하도록 수정

Author: MU-Software

package/pyconkr-common/utils/cookie.ts

@@ -7,7 +7,7 @@ export const getCookie = (name: string) => {
   let cookieValue: string | undefined
   document.cookie.split(';').forEach((cookie) => {
     if (R.isEmpty(cookie) || !cookie.includes('=')) return
-    const [key, value] = cookie.split('=')
+    const [key, value] = cookie.split('=', 2)
     if (key.trim() === name) cookieValue = decodeURIComponent(value) as string
   })
   return cookieValue