Add telemetry events for loading extensions (#9793)

* Store extensions versions' wasm API version in the database
* Share a common struct for extension API responses between collab and
client
* Add wasm API version and schema version to extension API responses

Release Notes:

- N/A

Co-authored-by: Marshall <marshall@zed.dev>

crates/client/src/telemetry.rs

@@ -15,7 +15,8 @@ use std::{env, mem, path::PathBuf, sync::Arc, time::Duration};
 use sysinfo::{CpuRefreshKind, MemoryRefreshKind, Pid, ProcessRefreshKind, RefreshKind, System};
 use telemetry_events::{
     ActionEvent, AppEvent, AssistantEvent, AssistantKind, CallEvent, CopilotEvent, CpuEvent,
-    EditEvent, EditorEvent, Event, EventRequestBody, EventWrapper, MemoryEvent, SettingEvent,
+    EditEvent, EditorEvent, Event, EventRequestBody, EventWrapper, ExtensionEvent, MemoryEvent,
+    SettingEvent,
 };
 use tempfile::NamedTempFile;
 use util::http::{self, HttpClient, HttpClientWithUrl, Method};
@@ -326,6 +327,13 @@ impl Telemetry {
         self.report_event(event)
     }
 
+    pub fn report_extension_event(self: &Arc<Self>, extension_id: Arc<str>, version: Arc<str>) {
+        self.report_event(Event::Extension(ExtensionEvent {
+            extension_id,
+            version,
+        }))
+    }
+
     pub fn log_edit_event(self: &Arc<Self>, environment: &'static str) {
         let mut state = self.state.lock();
         let period_data = state.event_coalescer.log_event(environment);