Minor collapsing button improvements~

app/javascript/mastodon/components/icon_button.js

@@ -70,7 +70,7 @@ export default class IconButton extends React.PureComponent {
     }
 
     return (
-      <Motion defaultStyle={{ rotate: this.props.active ? (this.props.flip ? -180 : -360) : 0 }} style={{ rotate: this.props.animate ? spring(this.props.active ? (this.props.flip ? -180 : -360) : 0, { stiffness: 120, damping: 7 }) : 0 }}>
+      <Motion defaultStyle={{ rotate: this.props.active ? (this.props.flip ? -180 : -360) : 0 }} style={{ rotate: this.props.animate ? spring(this.props.active ? (this.props.flip ? -180 : -360) : 0, { stiffness: this.props.flip ? 60 : 120, damping: 7 }) : 0 }}>
         {({ rotate }) =>
           <button
             aria-label={this.props.title}

app/javascript/mastodon/components/status.js

@@ -238,7 +238,7 @@ export default class Status extends ImmutablePureComponent {
             animate flip
             active={isCollapsed}
             title={isCollapsed ? intl.formatMessage(messages.uncollapse) : intl.formatMessage(messages.collapse)}
-            icon='angle-double-down'
+            icon='angle-double-up'
             onClick={this.handleCollapsedClick}
           />