Fix toolbar popover font color

Fix popover max-width making content go outside

packages/mindplot/src/components/widget/KeyboardShortcutTooltip.js

@@ -48,7 +48,6 @@ class KeyboardShortcutTooltip extends FloatingTip {
     result.css({
       padding: '3px 0px',
       width: '100%',
-      color: 'white',
     });
 
     const textContainer = $('<div></div>').text(text);

packages/mindplot/test/playground/map-render/css/editor.less

@@ -152,3 +152,7 @@ div#bottom-logo {
     height: 40px;
     z-index: 10000;
 }
+
+.popover {
+    max-width: none;
+}