chore(perf-issues): Allow experimental pages to use existing page configs (#91821)

Allow experiments to use the templates/config from the base issues.

**Before**
<img width="197" alt="image"
src="https://github.com/user-attachments/assets/8f705f49-9c7e-442f-aea4-19561af76649"
/>
<img width="321" alt="image"
src="https://github.com/user-attachments/assets/f29bf7b5-9a21-48b6-a798-06f9f3625727"
/>


After:
<img width="180" alt="image"
src="https://github.com/user-attachments/assets/fbc49ab4-5bc4-43ad-a476-d688ed5d9339"
/>
<img width="308" alt="image"
src="https://github.com/user-attachments/assets/8a846320-03a2-42e8-9cf2-34fc789e7715"
/>

Author: leeandher

static/app/types/group.tsx

@@ -232,10 +232,12 @@ const OCCURRENCE_TYPE_TO_ISSUE_TYPE = {
   1001: IssueType.PERFORMANCE_SLOW_DB_QUERY,
   1004: IssueType.PERFORMANCE_RENDER_BLOCKING_ASSET,
   1006: IssueType.PERFORMANCE_N_PLUS_ONE_DB_QUERIES,
+  1906: IssueType.PERFORMANCE_N_PLUS_ONE_DB_QUERIES,
   1007: IssueType.PERFORMANCE_CONSECUTIVE_DB_QUERIES,
   1008: IssueType.PERFORMANCE_FILE_IO_MAIN_THREAD,
   1009: IssueType.PERFORMANCE_CONSECUTIVE_HTTP,
   1010: IssueType.PERFORMANCE_N_PLUS_ONE_API_CALLS,
+  1910: IssueType.PERFORMANCE_N_PLUS_ONE_API_CALLS,
   1012: IssueType.PERFORMANCE_UNCOMPRESSED_ASSET,
   1013: IssueType.PERFORMANCE_DB_MAIN_THREAD,
   1015: IssueType.PERFORMANCE_LARGE_HTTP_PAYLOAD,

static/app/utils/issueTypeConfig/index.tsx

@@ -153,14 +153,20 @@ export const getConfigForIssueType = (
       ? getIssueCategoryAndTypeFromOccurrenceType(params.eventOccurrenceType)
       : params;
 
+  const refinedIssueType: IssueType | undefined = issueType?.replace(
+    '_experimental',
+    ''
+  ) as IssueType | undefined;
+
   const categoryMap = issueTypeConfig[issueCategory];
 
   if (!categoryMap) {
     return BASE_CONFIG;
   }
 
   const categoryConfig = categoryMap._categoryDefaults;
-  const overrideConfig = issueType ? categoryMap[issueType] : {};
+
+  const overrideConfig = refinedIssueType ? categoryMap[refinedIssueType] : {};
   const errorResourceConfig = shouldShowCustomErrorResourceConfig(params, project)
     ? getErrorHelpResource({title: title!, project})
     : null;