Raise logging dramatically to chase pending event errors

For https://github.com/vector-im/element-web/issues/17090 and similar issues

This logging is expected to exist no longer than a day.

src/client.js

@@ -2858,7 +2858,8 @@ MatrixClient.prototype._sendCompleteEvent = function(roomId, eventObject, txnId,
     }
 
     const type = localEvent.getType();
-    logger.log(`sendEvent of type ${type} in ${roomId} with txnId ${txnId}`);
+    // XXX: @@TR: Return to .log (for https://github.com/vector-im/element-web/issues/17090)
+    logger.trace(`sendEvent of type ${type} in ${roomId} with txnId ${txnId}`);
 
     localEvent.setTxnId(txnId);
     localEvent.setStatus(EventStatus.SENDING);

src/logger.ts

@@ -60,7 +60,8 @@ log.methodFactory = function(methodName, logLevel, loggerName) {
  * Can be tailored down to specific use cases if needed.
  */
 export const logger: PrefixedLogger = log.getLogger(DEFAULT_NAMESPACE);
-logger.setLevel(log.levels.DEBUG);
+// XXX: @@TR: Return to DEBUG (for https://github.com/vector-im/element-web/issues/17090)
+logger.setLevel(log.levels.TRACE);
 
 interface PrefixedLogger extends Logger {
     withPrefix?: (prefix: string) => PrefixedLogger;

src/models/room.js

@@ -1257,6 +1257,9 @@ Room.prototype.addPendingEvent = function(event, txnId) {
                         txnId);
     }
 
+    // XXX: @@TR: Remove logging (for https://github.com/vector-im/element-web/issues/17090)
+    logger.trace(`addPendingEvent called for txn ${txnId} and event type ${event.getType()}`);
+
     // call setEventMetadata to set up event.sender etc
     // as event is shared over all timelineSets, we set up its metadata based
     // on the unfiltered timelineSet.