fix(NcAppSidebarTabs): fix render when tab and tabs are in different vue

Signed-off-by: Grigorii K. Shartsev <me@shgk.me>

Author: ShGKme

src/components/NcAppSidebar/NcAppSidebarTabs.vue

@@ -49,7 +49,9 @@
 						role="tab"
 						@click.prevent="setActive(tab.id)">
 						<span class="app-sidebar-tabs__tab-icon">
-							<NcVNodes :vnodes="tab.renderIcon()" />
+							<NcVNodes :vnodes="tab.renderIcon()">
+								<span :class="tab.icon" />
+							</NcVNodes>
 						</span>
 						{{ tab.name }}
 					</a>

src/components/NcAppSidebarTab/NcAppSidebarTab.vue

@@ -126,12 +126,12 @@ export default {
 		},
 
 		/**
-		 * Render tab's icon from slot or icon prop
+		 * Render tab's icon slot if any
 		 *
-		 * @return {import('vue').VNode|import('vue').VNode[]}
+		 * @return {import('vue').VNode[]}
 		 */
 		renderIcon() {
-			return this.$slots.icon || this.$scopedSlots.icon?.() || h('span', { staticClass: this.icon })
+			return this.$scopedSlots.icon?.()
 		},
 	},
 }