feat(cli): use fs_err to provide better err msg (#1210)

## Which issue does this PR close?
`cargo run --bin iceberg-cli`

```
ICEBERG CLI v0.4.0
Error: No such file or directory (os error 2)
```
After
```
ICEBERG CLI v0.4.0
Error: failed to open file `/Users/xxchan/.icebergrc`: No such file or directory (os error 2)
```

Signed-off-by: xxchan <xxchan22f@gmail.com>
Co-authored-by: Renjie Liu <liurenjie2008@gmail.com>

Author: xxchan

Cargo.lock

@@ -57,15 +57,16 @@ aws-sdk-glue = "1.39"
 bimap = "0.6"
 bytes = "1.9"
 chrono = "0.4.38"
-ctor = "0.2.8"
 clap = { version = "4.5.27", features = ["derive", "cargo"] }
+ctor = "0.2.8"
 datafusion = "45"
 datafusion-cli = "45"
 derive_builder = "0.20"
-expect-test = "1"
 dirs = "6"
+expect-test = "1"
 faststr = "0.2.31"
 fnv = "1.0.7"
+fs-err = "3.1.0"
 futures = "0.3"
 hive_metastore = "0.1"
 http = "1.1"
@@ -103,10 +104,10 @@ tempfile = "3.18"
 tera = "1"
 thrift = "0.17.0"
 tokio = { version = "1.44", default-features = false }
+toml = "0.8"
 tracing = "0.1.37"
 tracing-subscriber = "0.3.8"
 typed-builder = "0.20"
-toml = "0.8"
 url = "2.5.4"
 uuid = { version = "1.14", features = ["v7"] }
 volo = "0.10.6"

Cargo.toml

@@ -40,6 +40,7 @@ tracing-subscriber = {workspace = true}
 dirs = {workspace = true}
 stacker = {workspace = true}
 mimalloc = {workspace = true}
+fs-err = {workspace = true}
 
 [package.metadata.cargo-machete]
 # These dependencies are added to ensure minimal dependency version

crates/integrations/cli/Cargo.toml

@@ -17,12 +17,12 @@
 
 use std::any::Any;
 use std::collections::HashMap;
-use std::fs::read_to_string;
 use std::path::Path;
 use std::sync::Arc;
 
 use anyhow::anyhow;
 use datafusion::catalog::{CatalogProvider, CatalogProviderList};
+use fs_err::read_to_string;
 use iceberg_catalog_rest::{RestCatalog, RestCatalogConfig};
 use iceberg_datafusion::IcebergCatalogProvider;
 use toml::{Table as TomlTable, Value};