[Switch, Textarea, Input] Fix endDecorator slot

Author: hbjORbj

packages/mui-joy/src/Input/Input.tsx

@@ -325,7 +325,7 @@ const Input = React.forwardRef(function Input(inProps, ref) {
   });
 
   const [SlotEndDecorator, endDecoratorProps] = useSlot('endDecorator', {
-    className: classes.startDecorator,
+    className: classes.endDecorator,
     elementType: InputEndDecorator,
     externalForwardedProps,
     ownerState,

packages/mui-joy/src/Switch/Switch.tsx

@@ -309,7 +309,7 @@ const Switch = React.forwardRef(function Switch(inProps, ref) {
     additionalProps: {
       'aria-hidden': true, // hide the decorator from assistive technology
     },
-    className: classes.startDecorator,
+    className: classes.endDecorator,
     elementType: SwitchEndDecorator,
     externalForwardedProps,
     ownerState,

packages/mui-joy/src/Textarea/Textarea.tsx

@@ -301,7 +301,7 @@ const Textarea = React.forwardRef(function Textarea(inProps, ref) {
   });
 
   const [SlotEndDecorator, endDecoratorProps] = useSlot('endDecorator', {
-    className: classes.startDecorator,
+    className: classes.endDecorator,
     elementType: TextareaEndDecorator,
     externalForwardedProps,
     ownerState,