script: Update indexeddb serialization (#38269)

- Dates are now serialized as f64s (like how firefox does it)
- Array buffers are serialized with structured cloning (this is not the
most correct/efficent way to serialize them, however it is currently
better than not supporting array buffers at all)
- Array types are still unimplemented.

Testing: WPT
Fixes: Some panicking

---------

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

tests/wpt/meta/IndexedDB/key_invalid.any.js.ini

@@ -2,10 +2,73 @@
   expected: ERROR
 
 [key_invalid.any.worker.html]
-  expected: CRASH
+  [Invalid key - [{}\]]
+    expected: FAIL
+
+  [Invalid key - [[\], [\], [\], [[ Date \]\]\]]
+    expected: FAIL
+
+  [Invalid key - [undefined\]]
+    expected: FAIL
+
+  [Invalid key - [,1\]]
+    expected: FAIL
+
+  [Invalid key - sparse array]
+    expected: FAIL
+
+  [Invalid key - sparse array 2]
+    expected: FAIL
+
+  [Invalid key - [[1\], [3\], [7\], [[ sparse array \]\]\]]
+    expected: FAIL
+
+  [Invalid key - [1,2,3,,\]]
+    expected: FAIL
+
+  [Invalid key - array directly contains self]
+    expected: FAIL
+
+  [Invalid key - array indirectly contains self]
+    expected: FAIL
+
+  [Invalid key - array member contains self]
+    expected: FAIL
+
 
 [key_invalid.any.sharedworker.html]
   expected: ERROR
 
 [key_invalid.any.html]
-  expected: CRASH
+  [Invalid key - [{}\]]
+    expected: FAIL
+
+  [Invalid key - [[\], [\], [\], [[ Date \]\]\]]
+    expected: FAIL
+
+  [Invalid key - [undefined\]]
+    expected: FAIL
+
+  [Invalid key - [,1\]]
+    expected: FAIL
+
+  [Invalid key - sparse array]
+    expected: FAIL
+
+  [Invalid key - sparse array 2]
+    expected: FAIL
+
+  [Invalid key - [[1\], [3\], [7\], [[ sparse array \]\]\]]
+    expected: FAIL
+
+  [Invalid key - [1,2,3,,\]]
+    expected: FAIL
+
+  [Invalid key - array directly contains self]
+    expected: FAIL
+
+  [Invalid key - array indirectly contains self]
+    expected: FAIL
+
+  [Invalid key - array member contains self]
+    expected: FAIL