Fixed #5199 - SplitButton templating is broken

components/lib/splitbutton/SplitButton.vue

@@ -1,6 +1,5 @@
 <template>
     <div :class="containerClass" :style="style" v-bind="ptm('root')" :data-pc-severity="severity">
-        <slot>
         <PVSButton
             type="button"
             :class="cx('button')"
@@ -16,16 +15,15 @@
             :pt="ptm('button')"
             :unstyled="unstyled"
         >
-                <template #icon="slotProps">
+            <template v-if="$slots.icon" #icon="slotProps">
                 <slot name="icon" :class="slotProps.class">
                     <span :class="[icon, slotProps.class]" v-bind="ptm('button')['icon']" data-pc-section="buttonicon" />
                 </slot>
             </template>
             <template #default>
-                    <slot name="buttoncontent"></slot>
+                <slot></slot>
             </template>
         </PVSButton>
-        </slot>
         <PVSButton
             ref="button"
             type="button"