bug: cargo build fails with avail feature flag

[SamrendraS]

Bug Report

Current behavior:
Building Madara with the Avail feature flag fails returning errors E0107, E0412, E0433.

Error log:

error[E0412]: cannot find type `PathBuf` in this scope
  --> crates/client/data-availability/src/avail/config.rs:24:15
   |
24 | impl TryFrom<&PathBuf> for AvailConfig {
   |               ^^^^^^^ not found in this scope
   |
help: consider importing this struct
   |
1  + use std::path::PathBuf;
   |

error[E0412]: cannot find type `DaErr` in this scope
  --> crates/client/data-availability/src/avail/config.rs:25:18
   |
25 |     type Error = DaErr;
   |                  ^^^^^ not found in this scope

error[E0412]: cannot find type `PathBuf` in this scope
  --> crates/client/data-availability/src/avail/config.rs:26:24
   |
26 |     fn try_from(path: &PathBuf) -> Result<Self, Self::Error> {
   |                        ^^^^^^^ not found in this scope
   |
help: consider importing this struct
   |
1  + use std::path::PathBuf;
   |

error[E0433]: failed to resolve: use of undeclared type `File`
  --> crates/client/data-availability/src/avail/config.rs:27:20
   |
27 |         let file = File::open(path).map_err(|e| DaError::FailedOpeningConfig(e))?;
   |                    ^^^^ use of undeclared type `File`
   |
help: consider importing one of these items
   |
1  + use std::fs::File;
   |
1  + use tokio::fs::File;
   |

warning: unused import: `DaLayer`
 --> crates/client/data-availability/src/avail/config.rs:3:22
  |
3 | use crate::{DaError, DaLayer, DaMode};
  |                      ^^^^^^^
  |
  = note: `#[warn(unused_imports)]` on by default

warning: unused import: `DaLayer`
  --> crates/client/data-availability/src/avail/mod.rs:18:32
   |
18 | use crate::{DaClient, DaError, DaLayer, DaMode};
   |                                ^^^^^^^

error[E0107]: enum takes 2 generic arguments but 1 generic argument was supplied
   --> crates/client/data-availability/src/avail/mod.rs:78:45
    |
78  |     async fn last_published_state(&self) -> Result<I256> {
    |                                             ^^^^^^ ---- supplied 1 generic argument
    |                                             |
    |                                             expected 2 generic arguments
    |
note: enum defined here, with 2 generic parameters: `T`, `E`
   --> /home/samrendra/.rustup/toolchains/nightly-2023-08-24-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/result.rs:502:10
    |
502 | pub enum Result<T, E> {
    |          ^^^^^^ -  -
help: add missing generic argument
    |
78  |     async fn last_published_state(&self) -> Result<I256, E> {
    |                                                        +++
error: could not compile `mc-data-availability` (lib) due to 5 previous errors; 2 warnings emitted

[SamrendraS]

Can I take this? Thanks

[SamrendraS]

Fixed with #1487