Added send message icon

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

res/css/views/rooms/_MessageComposer.scss

@@ -249,7 +249,7 @@ limitations under the License.
 }
 
 .mx_MessageComposer_sendMessage::before {
-    mask-image: url('$(res)/img/element-icons/call/video-call.svg');
+    mask-image: url('$(res)/img/element-icons/send-message.svg');
 }
 
 .mx_MessageComposer_formatting {

res/img/element-icons/send-message.svg

@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 20 20"
+   id="vector"
+   version="1.1"
+   sodipodi:docname="send-message.svg"
+   inkscape:version="1.0.1 (3bc2e813f5, 2020-09-07)">
+  <metadata
+     id="metadata8">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs6" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1914"
+     inkscape:window-height="1048"
+     id="namedview4"
+     showgrid="false"
+     inkscape:zoom="22.598517"
+     inkscape:cx="7.9405039"
+     inkscape:cy="9.6825447"
+     inkscape:window-x="1920"
+     inkscape:window-y="146"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="vector" />
+  <path
+     id="path"
+     d="M 18.792 11.145 L 2.356 19.359 C 1.249 19.913 0.097 18.725 0.638 17.642 C 0.638 17.642 2.675 13.528 3.235 12.451 C 3.796 11.373 4.437 11.187 10.393 10.417 C 10.614 10.388 10.794 10.222 10.794 10 C 10.794 9.778 10.614 9.612 10.393 9.583 C 4.437 8.813 3.796 8.627 3.235 7.549 C 2.675 6.472 0.638 2.358 0.638 2.358 C 0.097 1.275 1.249 0.087 2.356 0.64 L 18.792 8.855 C 19.736 9.326 19.736 10.674 18.792 11.145 Z"
+     fill="#ffffff"
+     style="fill:#060000;fill-opacity:1" />
+</svg>