ags: add config option for gtk anim duration

.config/ags/modules/sideleft/apiwidgets.js

@@ -136,7 +136,7 @@ const chatPlaceholder = Label({
 const chatPlaceholderRevealer = Revealer({
     revealChild: true,
     transition: 'crossfade',
-    transitionDuration: 200,
+    transitionDuration: userOptions.animations.durationLarge,
     child: chatPlaceholder,
     setup: enableClickthrough,
 });
@@ -157,7 +157,7 @@ const textboxArea = Box({ // Entry area
 const apiContentStack = Stack({
     vexpand: true,
     transition: 'slide_left_right',
-    transitionDuration: 160,
+    transitionDuration: userOptions.animations.durationLarge,
     children: APIS.reduce((acc, api) => {
         acc[api.name] = api.contentWidget;
         return acc;
@@ -166,7 +166,7 @@ const apiContentStack = Stack({
 
 const apiCommandStack = Stack({
     transition: 'slide_up_down',
-    transitionDuration: 160,
+    transitionDuration: userOptions.animations.durationLarge,
     children: APIS.reduce((acc, api) => {
         acc[api.name] = api.commandBar;
         return acc;