message: Update MessageComposer placeholder and e2e icon size
diff: @@ -76,6 +76,8 @@ limitations under the License.
  left: 60px;
  margin-right: 0; // Counteract the E2EIcon class
  margin-left: 3px; // Counteract the E2EIcon class
  + width: 12px;
  + height: 12px;
  }
  .mx_MessageComposer_noperm_error {
  