[sql-lab] make results table scroll in static container (#2426)

* only scroll result set horizontally

* only scroll results table, keep rest of ui static

* use hard coded values

* fix linting

superset/assets/javascripts/SqlLab/components/AceEditorWrapper.jsx

@@ -114,10 +114,9 @@ class AceEditorWrapper extends React.PureComponent {
         theme="github"
         onLoad={this.onEditorLoad.bind(this)}
         onBlur={this.onBlur.bind(this)}
-        minLines={8}
-        maxLines={30}
+        minLines={12}
+        maxLines={12}
         onChange={this.textChange.bind(this)}
-        height="200px"
         width="100%"
         editorProps={{ $blockScrolling: true }}
         enableLiveAutocompletion