Use both language and LSP icons for LSP tasks (#31773)

Make more explicit which language LSP tasks are used.

Before:

![image](https://github.com/user-attachments/assets/27f93c5f-942e-47a0-9b74-2c6d4d6248de)

After:

![image
(1)](https://github.com/user-attachments/assets/5a29fb0a-2e16-4c35-9dda-ae7925eaa034)


![image](https://github.com/user-attachments/assets/d1bf518e-63d1-4ebf-af3d-3c9d464c6532)


Release Notes:

- N/A

crates/project/src/task_inventory.rs

@@ -132,7 +132,10 @@ pub enum TaskSourceKind {
     /// Languages-specific tasks coming from extensions.
     Language { name: SharedString },
     /// Language-specific tasks coming from LSP servers.
-    Lsp(LanguageServerId),
+    Lsp {
+        language_name: SharedString,
+        server: LanguageServerId,
+    },
 }
 
 /// A collection of task contexts, derived from the current state of the workspace.
@@ -211,7 +214,10 @@ impl TaskSourceKind {
                 format!("{id_base}_{id}_{}", directory_in_worktree.display())
             }
             Self::Language { name } => format!("language_{name}"),
-            Self::Lsp(server_id) => format!("lsp_{server_id}"),
+            Self::Lsp {
+                server,
+                language_name,
+            } => format!("lsp_{language_name}_{server}"),
         }
     }
 }
@@ -712,7 +718,7 @@ fn task_lru_comparator(
 
 fn task_source_kind_preference(kind: &TaskSourceKind) -> u32 {
     match kind {
-        TaskSourceKind::Lsp(..) => 0,
+        TaskSourceKind::Lsp { .. } => 0,
         TaskSourceKind::Language { .. } => 1,
         TaskSourceKind::UserInput => 2,
         TaskSourceKind::Worktree { .. } => 3,