fix(tooltip): description prop deprecated, use content instead (#2806)

react/features/filmstrip/components/web/BaseIndicator.js

         return (
             <div className = 'indicator-container'>
                 <Tooltip
-                    description = { t(tooltipKey) }
+                    content = { t(tooltipKey) }
                     position = { tooltipPosition }>
                     <span
                         className = { iconContainerClassName }

react/features/toolbox/components/ToolbarButton.web.js

                 onClick = { this.props.onClick }>
                 { this.props.tooltip
                     ? <Tooltip
-                        description = { this.props.tooltip }
+                        content = { this.props.tooltip }
                         position = { this.props.tooltipPosition }>
                         { children }
                     </Tooltip>

react/features/video-quality/components/VideoQualityLabel.web.js

                 className = { classNames }
                 id = 'videoResolutionLabel'>
                 <Tooltip
-                    description = { t(tooltipKey) }
+                    content = { t(tooltipKey) }
                     position = { 'left' }>
                     <div className = 'video-quality-label-status'>
                         { labelContent }