Update content for some message ( Round 2)

[haiyenvu23]

Describe the task
Update content for some message ( Round 2)

• Update content for placeholder
  Link notion : https://www.notion.so/subwallet/Update-content-for-OpenBit-37e37eec69b14bae937b6811e1728f03?pvs=4#4b63190d07a548b0a3aa4fb3d79e9194

• When input RuneID invalid
  Link : https://www.notion.so/subwallet/Update-content-for-OpenBit-37e37eec69b14bae937b6811e1728f03?pvs=4#60976315774749d0a9ee9d8a61e54ac8