LibWeb: Reject Promise in createImageBitmap for Not Implemented Types

If we don't reject the Promise, it lasts forever,
so rejecting non implemented Promises is essential,
to not timeout in e.g. WPT tests

Tests/LibWeb/Text/expected/HTML/image-bitmap-from-invalid-types-no-crash.txt

@@ -0,0 +1,7 @@
+Blob              [Success]: [object ImageBitmap]
+ImageData         [ Error ]: Error: Not Implemented: createImageBitmap() for non-blob types
+HTMLImageElement  [ Error ]: TypeError: No union types matched
+SVGImageElement   [ Error ]: TypeError: No union types matched
+HTMLCanvasElement [ Error ]: TypeError: No union types matched
+ImageBitmap       [ Error ]: TypeError: No union types matched
+HTMLVideoElement  [ Error ]: TypeError: No union types matched

Tests/LibWeb/Text/input/HTML/image-bitmap-from-invalid-types-no-crash.html

@@ -0,0 +1,49 @@
+<script src="../include.js"></script>
+<script>
+    let canvas = document.createElement("canvas");
+
+    canvas.width = 20;
+    canvas.height = 20;
+
+    let ctx = canvas.getContext("2d");
+    ctx.fillStyle = "rgb(255, 0, 0)";
+    ctx.fillRect(0, 0, 10, 10);
+
+    let imageData = ctx.getImageData(0, 0, 20, 20);
+
+    let img = document.createElement("img");
+
+    let svgImg = document.createElement("img");
+    svgImg = document.createElementNS("http://www.w3.org/2000/svg", "image");
+
+    let video = document.createElement("video");
+    let file = new Blob([
+        new Uint8Array([
+            255, 10, 8, 16, 0, 9, 8, 6, 1, 0, 40, 0, 75, 56, 73, 152, 108, 128, 253, 145, 96, 0,
+        ]),
+    ]);
+    let imageBitmap = createImageBitmap(file, 0, 0, 0, 0);
+
+    const types = [
+        [file, "Blob"],
+        [imageData, "ImageData"],
+        [img, "HTMLImageElement"],
+        [svgImg, "SVGImageElement"],
+        [canvas, "HTMLCanvasElement"],
+        [imageBitmap, "ImageBitmap"],
+        [video, "HTMLVideoElement"],
+    ];
+
+    asyncTest(async done => {
+        for (const [type, name] of types) {
+            try {
+                const result = await createImageBitmap(type, 0, 0, 20, 20);
+                println(`${name.padEnd(17, " ")} [Success]: ${result}`);
+            } catch (err) {
+                println(`${name.padEnd(17, " ")} [ Error ]: ${err}`);
+            }
+        }
+
+        done();
+    });
+</script>

Userland/Libraries/LibWeb/HTML/WindowOrWorkerGlobalScope.cpp

@@ -245,6 +245,7 @@ JS::NonnullGCPtr<JS::Promise> WindowOrWorkerGlobalScopeMixin::create_image_bitma
             dbgln("(STUBBED) createImageBitmap() for non-blob types");
             (void)sx;
             (void)sy;
+            p->reject(JS::Error::create(relevant_realm(*p), "Not Implemented: createImageBitmap() for non-blob types"sv));
         });
 
     // 7. Return p.