Pull diagnostics fixes (#32242)

Follow-up of https://github.com/zed-industries/zed/pull/19230

* starts to send `result_id` in pull requests to allow servers to reply
with non-full results
* fixes a bug where disk-based diagnostics were offset after pulling the
diagnostics
* fixes a bug due to which pull diagnostics could not be disabled
* uses better names and comments for the workspace pull diagnostics part

Release Notes:

- N/A

crates/proto/src/proto.rs

@@ -309,7 +309,7 @@ messages!(
     (LogToDebugConsole, Background),
     (GetDocumentDiagnostics, Background),
     (GetDocumentDiagnosticsResponse, Background),
-    (RefreshDocumentsDiagnostics, Background)
+    (PullWorkspaceDiagnostics, Background)
 );
 
 request_messages!(
@@ -473,7 +473,7 @@ request_messages!(
     (GetDebugAdapterBinary, DebugAdapterBinary),
     (RunDebugLocators, DebugRequest),
     (GetDocumentDiagnostics, GetDocumentDiagnosticsResponse),
-    (RefreshDocumentsDiagnostics, Ack)
+    (PullWorkspaceDiagnostics, Ack)
 );
 
 entity_messages!(
@@ -601,7 +601,7 @@ entity_messages!(
     GetDebugAdapterBinary,
     LogToDebugConsole,
     GetDocumentDiagnostics,
-    RefreshDocumentsDiagnostics
+    PullWorkspaceDiagnostics
 );
 
 entity_messages!(