fix: allow creating kicanvas-source element dynamically (#168)

Author: XiangYyang

src/kc-ui/focus-overlay.ts

@@ -94,7 +94,6 @@ export class KCUIFocusOverlay extends KCUIElement {
 
         this.#intersection_observer = new IntersectionObserver((entries) => {
             for (const entry of entries) {
-                console.log(entry);
                 if (!entry.isIntersecting) {
                     this.classList.remove("has-focus");
                 }

src/kicanvas/elements/kicanvas-embed.ts

@@ -220,9 +220,13 @@ enum KiCanvasSourceType {
 class KiCanvasSourceElement extends CustomElement {
     constructor() {
         super();
+    }
+
+    override connectedCallback() {
         this.ariaHidden = "true";
         this.hidden = true;
         this.style.display = "none";
+        super.connectedCallback();
     }
 
     is_inline_source(): boolean {