message: Rename changed variable
diff: @@ -143,7 +143,7 @@ class EditMessageComposer extends React.Component<IEditMessageComposerProps, ISt
  const isRestored = this.createEditorModel();
  const ev = this.props.editState.getEvent();
  - const renderingContext = this.context.renderingContext;
  + const renderingContext = this.context.timelineRenderingType;
  const editContent = createEditContent(this.model, ev, renderingContext);
  this.state = {
  saveDisabled: !isRestored || !this.isContentModified(editContent["m.new_content"]),
  @@ -369,7 +369,7 @@ class EditMessageComposer extends React.Component<IEditMessageComposerProps, ISt
  const position = this.model.positionForOffset(caret.offset, caret.atNodeEnd);
  this.editorRef.current?.replaceEmoticon(position, REGEX_EMOTICON);
  }
  - const renderingContext = this.context.renderingContext;
  + const renderingContext = this.context.timelineRenderingType;
  const editContent = createEditContent(this.model, editedEvent, renderingContext);
  const newContent = editContent["m.new_content"];
  