message: fix: Adjust colours of CodeMirror "Find" dialog on "light" background.
  addressing
diff: @@ -611,6 +611,15 @@ const EditorWrapper = styled.div`
  width: 20em;
  }
  + .CodeMirror-dialog span.CodeMirror-search-label {
  + color: ${p => p.theme.colours.text};
  + }
  +
  + .CodeMirror-dialog input.CodeMirror-search-field {
  + color: ${p => p.theme.colours.text};
  + background: ${p => p.theme.colours.background};
  + }
  +
  .CodeMirror-dialog button {
  font-size: 70%;
  }
  