Website: improve speed of deliver-talk-to-us-form-submission action (#50593)

Changes:
- Updated the model used in the prompt helper calls in the
deliver-talk-to-us-form-submission action and the get-enriched helper to
improve the speed of routing users booking a demo.

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **Improvements**
* Updated location and address enrichment to use an updated language
model, improving the processing of submitted information while
preserving existing form behavior.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

website/api/controllers/deliver-talk-to-us-form-submission.js

@@ -107,7 +107,7 @@ Only include a key when you are confident of its value. Omit any key you are uns
       locationGuessFromEmailDomain: async()=>{
         return await sails.helpers.ai.prompt.with({
           prompt: locationGuessPrompt,
-          baseModel: 'gpt-5-nano-2025-08-07',
+          baseModel: 'claude-haiku-4-5',
           expectJson: true,
           systemPrompt: locationGuessSystemPrompt,
         }).tolerate((err)=>{

website/api/helpers/iq/get-enriched.js

@@ -327,7 +327,7 @@ module.exports = {
 
             locationInfo = await sails.helpers.ai.prompt.with({
               prompt: locationPrompt,
-              baseModel: 'gpt-5-nano-2025-08-07',
+              baseModel: 'claude-haiku-4-5',
               expectJson: true,
               systemPrompt: systemPromptForAddressInformation,
             }).tolerate((err)=>{