Adds support for LTO on macOS and Android.
Disable LTO by default on iOS even if `production=yes` is set.
Also add `linker` option to `server` platform missed in #63283.
Refactor code handling old arguments to make it simpler (breaks compat,
but is explicit enough about it and scripts are easy to fix).
Increases the size of the wasm by around 3% (~300-350 KiB).
This enables using the Crypto object for hashing, signing and encryption,
and therefore reduces the gap between the features of the HTML5 platform
and other platforms.
Closes https://github.com/godotengine/godot-proposals/issues/3574.
(cherry picked from commit 3ff6d794c0aac0365f236cd078b5e5aeea0d996e)
