Fix some issues from the shoelace version bump

- SlSelect.getItemLabel() not there anymore
- SlSelect.menuItems is now a real list, and fails when parent tries to write to it
- Tabs didn't hide properly when not active, giving a scrollbar

api/js/etemplate/Et2Select/Et2Select.ts

@@ -406,7 +406,7 @@ export class Et2Select extends Et2WithSearchMixin(Et2WidgetWithSelect)
 	{
 		const tag = <Et2Tag>document.createElement(this.tagTag);
 		tag.value = item.value;
-		tag.textContent = this.getItemLabel(item);
+		tag.textContent = item.getTextLabel().trim();
 		tag.class = item.classList.value + " search_tag";
 		if(this.size)
 		{
@@ -453,11 +453,6 @@ export class Et2Select extends Et2WithSearchMixin(Et2WidgetWithSelect)
 		return "";
 	}
 
-	public get menuItems() : HTMLElement[]
-	{
-		return [...this.querySelectorAll<SlMenuItem>(this.optionTag)];
-	}
-
 	/**
 	 * Override parent to always call validate(), as our simple implementation needs to validate on clear as well.
 	 *

api/js/etemplate/Layout/Et2Tabs/Et2Tabs.ts

@@ -42,6 +42,9 @@ export class Et2Tabs extends Et2Widget(SlTabGroup)
 			::slotted(et2-tab-panel) {
 				flex: 1 1 auto;
 			}
+			::slotted(et2-tab-panel:not([active])) {
+    			display: none;
+			}
 			`
 		];
 	}