[Glitch] Replace fav icon animation with CSS

Port 3a929dbedd to glitch-soc

And extend that to collapse button

Signed-off-by: Thibaut Girka <thib@sitedethib.com>

app/javascript/flavours/glitch/styles/components/status.scss

@@ -1,3 +1,47 @@
+@keyframes spring-flip-in {
+  0% {
+    transform: rotate(0deg);
+  }
+
+  30% {
+    transform: rotate(-242.4deg);
+  }
+
+  60% {
+    transform: rotate(-158.35deg);
+  }
+
+  90% {
+    transform: rotate(-187.5deg);
+  }
+
+  100% {
+    transform: rotate(-180deg);
+  }
+}
+
+@keyframes spring-flip-out {
+  0% {
+    transform: rotate(-180deg);
+  }
+
+  30% {
+    transform: rotate(62.4deg);
+  }
+
+  60% {
+    transform: rotate(-21.635deg);
+  }
+
+  90% {
+    transform: rotate(7.5deg);
+  }
+
+  100% {
+    transform: rotate(0deg);
+  }
+}
+
 .status__content--with-action {
   cursor: pointer;
 }
@@ -430,6 +474,24 @@
     padding-left: 2px;
     padding-right: 2px;
   }
+
+  .status__collapse-button.active > .fa-angle-double-up {
+    transform: rotate(-180deg);
+  }
+}
+
+.no-reduce-motion .status__collapse-button {
+  &.activate {
+    & > .fa-angle-double-up {
+      animation: spring-flip-in 1s linear;
+    }
+  }
+
+  &.deactivate {
+    & > .fa-angle-double-up {
+      animation: spring-flip-out 1s linear;
+    }
+  }
 }
 
 .status__info__account {