Issue:
Bug: chore(infra): SDK Table schema sanity



Editing SDK Tables schema in the codebase for end to end ( ingestion to querying on dashboard ) sanity

Pull request description:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [ ] Enhancement
- [x] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [ ] CI/CD

## Description
<!-- Describe your changes in detail -->
Updating SDK table schema

### Additional Changes

- [ ] This PR modifies the API contract
- [x] This PR modifies the database schema
- [ ] This PR modifies application configuration/environment variables

<!--
Provide links to the files with corresponding changes.

Following are the paths where you can find config files:
1. `config`
2. `crates/router/src/configs`
3. `loadtest/config`
-->
crates/analytics/docs/clickhouse/scripts/sdk_events.sql

## Motivation and Context
<!--
Why is this change required? What problem does it solve?
If it fixes an open issue, please link to the issue here.

If you don't have an issue, we'd recommend starting with one first so the PR
can focus on the implementation (unless it is an obvious bug or documentation fix
that will have little conversation).
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This resolves the issue people face for SDK Events table API on dashboard is using the sdk_events_audit table

## How did you test it?
<!--
Did you write an integration/unit/API test to verify the code changes?
Or did you test this change manually (provide relevant screenshots)?
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Schema structure changes for sdk table. Nothing to test.
## Checklist
<!-- Put an `x` in the boxes that apply -->

- [ ] I formatted the code `cargo +nightly fmt --all`
- [ ] I addressed lints thrown by `cargo clippy`
- [ ] I reviewed the submitted code
- [ ] I added unit tests for my changes where possible


Testing:


Schema structure changes for sdk table. Nothing to test.

Patch:
diff --git a/crates/analytics/docs/clickhouse/scripts/sdk_events.sql b/crates/analytics/docs/clickhouse/scripts/sdk_events.sql
index bfe6401cacc..c5c70cc9e66 100644
--- a/crates/analytics/docs/clickhouse/scripts/sdk_events.sql
+++ b/crates/analytics/docs/clickhouse/scripts/sdk_events.sql
@@ -6,7 +6,7 @@ CREATE TABLE sdk_events_queue (
     `event_name` LowCardinality(Nullable(String)),
     `first_event` LowCardinality(Nullable(String)),
     `latency` Nullable(UInt32),
-    `timestamp` String,
+    `timestamp` DateTime64(3),
     `browser_name` LowCardinality(Nullable(String)),
     `browser_version` Nullable(String),
     `platform` LowCardinality(Nullable(String)),
@@ -115,7 +115,8 @@ CREATE TABLE sdk_events_audit (
     `remote_ip` Nullable(String),
     `log_type` LowCardinality(Nullable(String)),
     `event_name` LowCardinality(Nullable(String)),
-    `first_event` Bool DEFAULT 1,
+    `first_event` Bool,
+    `latency` Nullable(UInt32),
     `browser_name` LowCardinality(Nullable(String)),
     `browser_version` Nullable(String),
     `platform` LowCardinality(Nullable(String)),
@@ -125,10 +126,10 @@ CREATE TABLE sdk_events_audit (
     `value` Nullable(String),
     `component` LowCardinality(Nullable(String)),
     `payment_method` LowCardinality(Nullable(String)),
-    `payment_experience` LowCardinality(Nullable(String)) DEFAULT '',
-    `created_at` DateTime64(3) DEFAULT now64() CODEC(T64, LZ4),
-    `inserted_at`  DateTime DEFAULT now() CODEC(T64, LZ4), 
-    `latency` Nullable(UInt32) DEFAULT 0
+    `payment_experience` LowCardinality(Nullable(String)),
+    `created_at` DateTime DEFAULT now() CODEC(T64, LZ4),
+    `created_at_precise` DateTime64(3),
+    `inserted_at` DateTime DEFAULT now() CODEC(T64, LZ4)
 ) ENGINE = MergeTree PARTITION BY merchant_id
 ORDER BY
     (merchant_id, payment_id)
@@ -156,7 +157,7 @@ WHERE
     length(_error) > 0;
 
 CREATE MATERIALIZED VIEW sdk_events_audit_mv TO sdk_events_audit (
-    `payment_id` Nullable(String),
+    `payment_id` String,
     `merchant_id` String,
     `remote_ip` Nullable(String),
     `log_type` LowCardinality(Nullable(String)),