Merge pull request #2436 from atom/dialog-css-fixes

Give dialog text editors room to expand

Author: smashwilson

styles/dialog.less

@@ -147,6 +147,7 @@
   flex-direction: row;
   justify-content: flex-start;
   align-items: center;
+  width: 100%;
 
   &-owner {
     flex: 1;
@@ -253,6 +254,7 @@
     label {
       display: flex;
       align-items: center;
+      width: 100%;
 
       .github-AtomTextEditor-container {
         flex: 1;