Blocks: Change animations classNames to avoid confusion

Author: youknowriad

editor/modes/visual-editor/block.js

@@ -208,7 +208,7 @@ class VisualEditorBlock extends wp.element.Component {
 				{ ( showUI || isHovered ) && <BlockMover uid={ block.uid } /> }
 				{ showUI &&
 					<CSSTransitionGroup
-						transitionName={ { appear: 'appear-animation', appearActive: 'is-appearing' } }
+						transitionName={ { appear: 'is-appearing', appearActive: 'is-appearing-active' } }
 						transitionAppear={ true }
 						transitionAppearTimeout={ 100 }
 						transitionEnter={ false }

editor/modes/visual-editor/style.scss

@@ -87,7 +87,7 @@
 		top: $header-height + $admin-bar-height + $item-spacing;
 	}
 
-	&.is-appearing {
+	&.is-appearing-active {
 		@include animate_fade;
 	}
 }