fix(q_dev): correct Code Fix acceptance rate calculation in dashboard (#8500)

Author: DiscreteTom

grafana/dashboards/qdev_user_data.json

@@ -72,7 +72,7 @@
           "group": [],
           "metricColumn": "none",
           "rawQuery": true,
-          "rawSql": "SELECT\n  COUNT(DISTINCT user_id) as 'Active Users',\n  SUM(chat_ai_code_lines) as 'Accepted Lines (Chat)',\n  SUM(inline_ai_code_lines) as 'Accepted Lines (Inline Suggestion)',\n  SUM(inline_acceptance_count) / NULLIF(SUM(inline_suggestions_count), 0) as 'Acceptance Rate (Inline Suggestion)',\n  SUM(code_review_findings_count) as 'Findings (Code Review)',\n  SUM(code_fix_accepted_lines) as 'Accepted Lines (Code Fix)',\n  SUM(code_fix_generation_event_count) / NULLIF(SUM(code_fix_acceptance_event_count), 0) as 'Acceptance Rate (Code Fix)',\n  SUM(transformation_lines_ingested) as 'Ingested Lines (Java Transform)',\n  SUM(transformation_lines_generated) as 'Generated Lines (Java Transform)',\n  SUM(inline_chat_accepted_line_additions) as 'Accepted Lines (Inline Chat)',\n  SUM(inline_chat_acceptance_event_count) / NULLIF(SUM(inline_chat_total_event_count), 0) as 'Acceptance Rate (Inline Chat)'\nFROM lake._tool_q_dev_user_data\nWHERE $__timeFilter(date)",
+          "rawSql": "SELECT\n  COUNT(DISTINCT user_id) as 'Active Users',\n  SUM(chat_ai_code_lines) as 'Accepted Lines (Chat)',\n  SUM(inline_ai_code_lines) as 'Accepted Lines (Inline Suggestion)',\n  SUM(inline_acceptance_count) / NULLIF(SUM(inline_suggestions_count), 0) as 'Acceptance Rate (Inline Suggestion)',\n  SUM(code_review_findings_count) as 'Findings (Code Review)',\n  SUM(code_fix_accepted_lines) as 'Accepted Lines (Code Fix)',\n  SUM(code_fix_acceptance_event_count) / NULLIF(SUM(code_fix_generation_event_count), 0) as 'Acceptance Rate (Code Fix)',\n  SUM(transformation_lines_ingested) as 'Ingested Lines (Java Transform)',\n  SUM(transformation_lines_generated) as 'Generated Lines (Java Transform)',\n  SUM(inline_chat_accepted_line_additions) as 'Accepted Lines (Inline Chat)',\n  SUM(inline_chat_acceptance_event_count) / NULLIF(SUM(inline_chat_total_event_count), 0) as 'Acceptance Rate (Inline Chat)'\nFROM lake._tool_q_dev_user_data\nWHERE $__timeFilter(date)",
           "refId": "A",
           "select": [
             [