tchap-4.21.4

What's Changed

• TCHAP: fix bug paste mxid external does not show warning message by @MarcWadai in #1652
• TCHAP: scalingo ci failing on path file by @MarcWadai in #1653
• TCHAP: fix visio command by @MarcWadai in #1654
• TCHAP: fix docker build after last upgrade by @odelcroi in #1657
• TCHAP: fix css pill autocomplete by @MarcWadai in #1656
• TCHAP: fix sso return from deeplink and logout behavior by @MarcWadai in #1658
• TCHAP: fix tchap mail signature copy icon by @MarcWadai in #1660
• Bump 4.21.4 by @MarcWadai in #1661

Full Changelog: tchap-4.21.3...tchap-4.21.4