fix(config): Don't overwrite locale and tokenizer config

This was broken in #882

crates/typos-cli/src/policy.rs

@@ -227,13 +227,16 @@ impl<'s> ConfigEngine<'s> {
         let check_filename = engine.check_filename();
         let check_file = engine.check_file();
         let crate::config::EngineConfig {
-            tokenizer: mut tokenizer_config,
-            dict: mut dict_config,
+            tokenizer: tokenizer_user_config,
+            dict: dict_user_config,
             extend_ignore_re,
             ..
         } = engine;
-        tokenizer_config.update(&crate::config::TokenizerConfig::from_defaults());
-        dict_config.update(&crate::config::DictConfig::from_defaults());
+
+        let mut tokenizer_config = crate::config::TokenizerConfig::from_defaults();
+        tokenizer_config.update(&tokenizer_user_config);
+        let mut dict_config = crate::config::DictConfig::from_defaults();
+        dict_config.update(&dict_user_config);
 
         if !tokenizer_config.ignore_hex() {
             log::warn!("`ignore-hex` is deprecated");

crates/typos-cli/tests/cmd/en-us.toml

@@ -1,4 +1,12 @@
 bin.name = "typos"
 stdin = ""
-stdout = ""
+stdout = """
+error: `colour` should be `color`
+  --> ./README.md:1:10
+  |
+1 | color or colour
+  |          ^^^^^^
+  |
+"""
 stderr = ""
+status.code = 2