Fix horizontal scrollbar under certain circumstances

lukebarnard1 · lukebarnard1 · commit 95c45362d5ad · 2018-02-07T12:02:00.000Z
specifically when trailing whitespace is not wrapped onto the next line of the block. Fixes element-hq#6077
diff --git a/src/skins/vector/css/matrix-react-sdk/views/rooms/_MessageComposer.scss b/src/skins/vector/css/matrix-react-sdk/views/rooms/_MessageComposer.scss
@@ -108,6 +108,10 @@ limitations under the License.
     padding-top: 2px;
 }
 
+.mx_MessageComposer .public-DraftStyleDefault-block {
+    overflow-x: hidden;
+}
+
 .mx_MessageComposer_input blockquote {
     color: $blockquote-fg-color;
     margin: 0 0 16px;
