message: add open settings to connected connection context menu
diff: },
  {
  "command": "sqltools.openSettings",
  - "when": "view == sqltoolsViewConnectionExplorer && viewItem == connection",
  + "when": "view == sqltoolsViewConnectionExplorer && viewItem =~ /^(connection|connectedConnection)$/",
  "group": "sqltools.dbExplorer.edit@0"
  },
  {
  