For cf-solana, replace dependencies to refer to git repository rather
than using path pointing outside of the repository and fix paths for
DecodeError and BadMessage types.

For ics10-grandpa-cw remove unnecessary as_bytes method calls which
were there presumably because SUBSTITUTE_PREFIX and SUBJECT_PREFIX
consts were different type at some point.

This addresses the following error present whet `std` feature is
enabled:

    error: couldn't read .../debug/build/parachain-runtime-7decbbfb16bf29dd/out/wasm_binary.rs: No such file or directory (os error 2)
      --> utils/parachain-node/runtime/src/lib.rs:21:1
       |
    21 | include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));
       | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Replace Anchor dependency with a fork which diverges less from 0.29.
The previous one had 30 commits on top of v0.29.0 tag (with 29 pulled
from Anchor master).  The new one is v0.29.0 with just a single commit
that we need on top of it.

Previous change adding witness account to solana-ibc calls was
incomplete as it didn’t add the dependency.  I missed that the code
wasn’t actually compiling due to many warnings polluting the build.
This commit fixes all that.