Allow languages to be registered at any time

Co-Authored-By: Nathan Sobo <nathan@zed.dev>
Co-Authored-By: Antonio Scandurra <me@as-cii.com>

crates/workspace/src/lsp_status.rs

@@ -37,7 +37,7 @@ impl LspStatus {
                             &mut this.downloading,
                             &mut this.failed,
                         ] {
-                            vector.retain(|name| name != language.name());
+                            vector.retain(|name| name != language.name().as_ref());
                         }
 
                         match event {

crates/workspace/src/settings.rs

@@ -11,7 +11,7 @@ pub struct Settings {
     pub tab_size: usize,
     soft_wrap: SoftWrap,
     preferred_line_length: u32,
-    overrides: HashMap<String, Override>,
+    overrides: HashMap<Arc<str>, Override>,
     pub theme: Arc<Theme>,
 }
 
@@ -50,21 +50,25 @@ impl Settings {
         self
     }
 
-    pub fn with_overrides(mut self, language_name: impl Into<String>, overrides: Override) -> Self {
+    pub fn with_overrides(
+        mut self,
+        language_name: impl Into<Arc<str>>,
+        overrides: Override,
+    ) -> Self {
         self.overrides.insert(language_name.into(), overrides);
         self
     }
 
     pub fn soft_wrap(&self, language: Option<&Arc<Language>>) -> SoftWrap {
         language
-            .and_then(|language| self.overrides.get(language.name()))
+            .and_then(|language| self.overrides.get(language.name().as_ref()))
             .and_then(|settings| settings.soft_wrap)
             .unwrap_or(self.soft_wrap)
     }
 
     pub fn preferred_line_length(&self, language: Option<&Arc<Language>>) -> u32 {
         language
-            .and_then(|language| self.overrides.get(language.name()))
+            .and_then(|language| self.overrides.get(language.name().as_ref()))
             .and_then(|settings| settings.preferred_line_length)
             .unwrap_or(self.preferred_line_length)
     }