[Docs] "Copy to Clipboard" doesn't copy alpha channel for "Copy as Object (Hex)"

https://www.radix-ui.com/colors/docs/palette-composition/scales <img width="828" alt="image" src="https://github.com/user-attachments/assets/5c9ad411-6aac-4ebe-af78-e3383cb1ce34"> Copies the following: ```ts const grayA = { grayA1: "#000000", grayA2: "#000000", grayA3: "#000000", grayA4: "#000000", grayA5: "#000000", grayA6: "#000000", grayA7: "#000000", grayA8: "#000000", grayA9: "#000000", grayA10: "#000000", grayA11: "#000000", grayA12: "#000000", } ``` Others work, e.g. css: ```ts .grayA { --gray-a1: #00000003; --gray-a2: #00000006; --gray-a3: #0000000f; --gray-a4: #00000017; --gray-a5: #0000001f; --gray-a6: #00000026; --gray-a7: #00000031; --gray-a8: #00000044; --gray-a9: #00000072; --gray-a10: #0000007c; --gray-a11: #0000009b; --gray-a12: #000000df; } ```