[AMBARI-25574] Start/Stop All Button color are not displayed correctly

[echohlne]

What changes were proposed in this pull request?

# default css style
.navigation-bar-container ul.nav.side-nav-menu .more-actions .dropdown-menu > li > a i, .navigation-bar-container ul.nav.side-nav-footer .more-actions .dropdown-menu > li > a i {
    color: #333;
}

# start all button style
.glyphicon-play.enabled {
  color: #69be28;
}

# stop all button style
.glyphicon-stop.enabled {
    color: red;
}

The priority of default css style is higher than the priority of start/stop button, causing the color style of button to be overwritten

How was this patch tested?

This is just a little improvement, manual tests result shows as belows:

[echohlne]

@payert hi, can you help to review this please ? thanks

[echohlne]

@hapylestat the jenkins runs failed, and i can't get the details of build, can you help to trigger the jenkins again? thanks a lot.