function createComponentHashedKey(currentKey) {
  let hashPart = crypto.createHash('sha1')
      .update(currentKey)
      .digest('base64')
      .substring(0, 4),
    newKey = generateObjectName(currentKey, hashPart);
  return newKey;
}
Calculates the has of a provided key and join its first 4 numbers at the end of the current key by a _
@param {string} currentKey The key we will hash
@returns {string} A key with a hashed part joined by _