fix: room id sticked with event id

res/css/structures/_ViewSource.scss

@@ -14,14 +14,6 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-.mx_ViewSource_label_left {
-    float: left;
-}
-
-.mx_ViewSource_label_right {
-    float: right;
-}
-
 .mx_ViewSource_separator {
     clear: both;
     border-bottom: 1px solid #e5e5e5;

src/components/structures/ViewSource.js

@@ -176,8 +176,8 @@ export default class ViewSource extends React.Component {
         return (
             <BaseDialog className="mx_ViewSource" onFinished={this.props.onFinished} title={_t("View Source")}>
                 <div>
-                    <div className="mx_ViewSource_label_left">Room ID: {roomId}</div>
-                    <div className="mx_ViewSource_label_left">Event ID: {eventId}</div>
+                    <div>Room ID: {roomId}</div>
+                    <div>Event ID: {eventId}</div>
                     <div className="mx_ViewSource_separator" />
                     {isEditing ? this.editSourceContent() : this.viewSourceContent()}
                 </div>