Fix width of MVideoBody in FilePanel

Signed-off-by: Michael Telatynski <[email protected]>

res/css/_components.scss

@@ -133,6 +133,7 @@
 @import "./views/messages/_MNoticeBody.scss";
 @import "./views/messages/_MStickerBody.scss";
 @import "./views/messages/_MTextBody.scss";
+@import "./views/messages/_MVideoBody.scss";
 @import "./views/messages/_MessageActionBar.scss";
 @import "./views/messages/_MessageTimestamp.scss";
 @import "./views/messages/_MjolnirBody.scss";

res/css/views/messages/_MVideoBody.scss

@@ -0,0 +1,22 @@
+/*
+Copyright 2020 New Vector Ltd.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+span.mx_MVideoBody {
+    video.mx_MVideoBody {
+        max-width: 100%;
+        height: auto;
+    }
+}