fix: button text "Show all" in column menu is truncated (#2208)

Author: MrMartinR

src/components/Button/Button.scss

@@ -17,7 +17,6 @@
   text-decoration: none;
   text-align: center;
   border-radius: 5px;
-  min-width: 110px;
   font-size: 14px;
 
   color: $blue;

src/components/ColumnsConfiguration/ColumnsConfiguration.react.js

@@ -112,13 +112,11 @@ export default class ColumnsConfiguration extends React.Component {
               <div className={styles.footer}>
                 <Button
                   color='white'
-                  value='Hide All'
-                  width='85px'
+                  value='Hide all'
                   onClick={this.hideAll.bind(this)} />
                 <Button
                   color='white'
                   value='Show all'
-                  width='85px'
                   onClick={this.showAll.bind(this)} />
               </div>
             </div>