perf(eventstore): fast push on crdb (#9186)

# Which Problems Are Solved

The performance of the initial push function can further be increased

# How the Problems Are Solved

`eventstore.push`- and `eventstore.commands_to_events`-functions were
rewritten

# Additional Changes

none

# Additional Context

same optimizations as for postgres:
https://github.com/zitadel/zitadel/pull/9092

e2e/config/localhost/docker-compose.yaml

@@ -30,7 +30,7 @@ services:
 
   db:
     restart: 'always'
-    image: 'cockroachdb/cockroach:v24.2.1'
+    image: 'cockroachdb/cockroach:latest'
     command: 'start-single-node --insecure --http-addr :9090'
     healthcheck:
       test: ['CMD', 'curl', '-f', 'http://localhost:9090/health?ready=1']