Add styling to editing

src/components/views/messages/TextualBody.tsx

@@ -565,7 +565,7 @@ export default class TextualBody extends React.Component<IBodyProps, IState> {
         if (this.props.editState) {
             const isWysiwygComposerEnabled = SettingsStore.getValue("feature_wysiwyg_composer");
             return isWysiwygComposerEnabled ?
-                <EditWysiwygComposer editorStateTransfer={this.props.editState} /> :
+                <EditWysiwygComposer editorStateTransfer={this.props.editState} className="mx_EventTile_content" /> :
                 <EditMessageComposer editState={this.props.editState} className="mx_EventTile_content" />;
         }
         const mxEvent = this.props.mxEvent;

src/components/views/rooms/wysiwyg_composer/EditWysiwygComposer.tsx

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import React, { forwardRef, RefObject } from 'react';
+import classNames from 'classnames';
 
 import EditorStateTransfer from '../../../../utils/EditorStateTransfer';
 import { WysiwygComposer } from './components/WysiwygComposer';
@@ -38,16 +39,17 @@ interface EditWysiwygComposerProps {
     disabled?: boolean;
     onChange?: (content: string) => void;
     editorStateTransfer: EditorStateTransfer;
+    className?: string;
 }
 
-export function EditWysiwygComposer({ editorStateTransfer, ...props }: EditWysiwygComposerProps) {
+export function EditWysiwygComposer({ editorStateTransfer, className, ...props }: EditWysiwygComposerProps) {
     const initialContent = useInitialContent(editorStateTransfer);
     const isReady = !editorStateTransfer || Boolean(initialContent);
 
     const { editMessage, endEditing, onChange, isSaveDisabled } = useEditing(initialContent, editorStateTransfer);
 
     return isReady && <WysiwygComposer
-        className="mx_EditWysiwygComposer"
+        className={classNames("mx_EditWysiwygComposer", className)}
         initialContent={initialContent}
         onChange={onChange}
         onSend={editMessage}

src/components/views/rooms/wysiwyg_composer/components/EditionButtons.tsx

@@ -26,7 +26,7 @@ interface EditionButtonsProps {
 }
 
 export function EditionButtons({ onCancelClick, onSaveClick, isSaveDisabled = false }: EditionButtonsProps) {
-    return <div className="mx_EditMessageComposer_buttons">
+    return <div className="mx_EditWysiwygComposer_buttons">
         <AccessibleButton kind="secondary" onClick={onCancelClick}>
             { _t("Cancel") }
         </AccessibleButton>