Initialize elementary_tests_allowlist_status in clickhouse__get_test_results

Pre-existing bug surfaced by CodeRabbit: the ClickHouse variant of
get_test_results passes elementary_tests_allowlist_status into
_process_raw_test_results without ever initializing it. The default__ and
fabric__ variants both set it from disable_passed_test_metrics at the top
of the macro.

Without this, sample selection for non-dbt_test rows (anomaly/schema_change)
would silently skip on ClickHouse because the 'status in
elementary_tests_allowlist_status' check would fail on an undefined value.

Co-Authored-By: mika@elementary-data.com <mika.kerman@gmail.com>

Author: devin-ai-integration[bot]

elementary/monitor/dbt_project/macros/get_test_results.sql

@@ -183,6 +183,7 @@
 {%- endmacro -%}
 
 {%- macro clickhouse__get_test_results(days_back = 7, invocations_per_test = 720, disable_passed_test_metrics = false, skip_test_result_rows = false) -%}
+    {% set elementary_tests_allowlist_status = ['fail', 'warn'] if disable_passed_test_metrics else ['fail', 'warn', 'pass']  %}
     {% do elementary.run_query('drop table if exists ordered_test_results') %}
     {% set create_table_query %}
     CREATE TABLE ordered_test_results (