ui: update txn diagnostics history UI text and docs link

Point users to new docs link and builtin.

Epic: CRDB-53541
Resolves: CRDB-55077

Release note: None

Author: dhartunian

pkg/ui/workspaces/db-console/src/util/docs.ts

@@ -41,6 +41,7 @@ export let jobsResume: string;
 export let jobsCancel: string;
 export let statementsTable: string;
 export let statementDiagnostics: string;
+export let transactionDiagnostics: string;
 export let statementsSql: string;
 export let statementsRetries: string;
 export let transactionRetryErrorReference: string;
@@ -102,6 +103,7 @@ export const recomputeDocsURLs = () => {
   jobsCancel = docsURL("cancel-job");
   statementsTable = docsURL("ui-statements-page.html");
   statementDiagnostics = docsURL("ui-statements-page.html#diagnostics");
+  transactionDiagnostics = docsURL("transaction-diagnostics.html");
   statementsSql = docsURL("ui-statements-page.html#sql-statement-fingerprints");
   statementsRetries = docsURL("transactions.html#transaction-retries");
   transactionRetryErrorReference = docsURL(

pkg/ui/workspaces/db-console/src/views/reports/containers/transactionDiagnosticsHistory/index.tsx

@@ -29,7 +29,7 @@ import {
 } from "src/redux/alerts";
 import { trackCancelDiagnosticsBundleAction } from "src/redux/analyticsActions";
 import { trackDownloadDiagnosticsBundle } from "src/util/analytics";
-import { statementDiagnostics } from "src/util/docs";
+import { transactionDiagnostics } from "src/util/docs";
 import { trustIcon } from "src/util/trust";
 
 import "./transactionDiagnosticsHistoryView.styl";
@@ -252,11 +252,11 @@ export const TransactionDiagnosticsHistoryView: React.FC<
             icon={EmptyTableIcon}
             message={
               "Transaction diagnostics can help when troubleshooting issues with specific transactions. " +
-              "The diagnostic bundle can be activated from individual transaction pages and will include EXPLAIN" +
+              "The diagnostic bundle can be activated from a builtin function and will include EXPLAIN" +
               " plans, table statistics, and traces for all statements in the transaction."
             }
             footer={
-              <Anchor href={statementDiagnostics} target="_blank">
+              <Anchor href={transactionDiagnostics} target="_blank">
                 Learn more about transaction diagnostics
               </Anchor>
             }