CCM-11343: fix function name conflict from merging in main

Author: bhansell1

lambdas/backend-api/src/__tests__/templates/app/template-client.test.ts

@@ -576,7 +576,7 @@ describe('templateClient', () => {
           },
         });
 
-        const result = await templateClient.createLetterTemplate(
+        const result = await templateClient.uploadLetterTemplate(
           data,
           user,
           pdf,

tests/test-team/template-mgmt-component-tests/letter/template-mgmt-preview-letter-page.component.spec.ts

@@ -90,7 +90,7 @@ async function createTemplates() {
       'PASSED'
     ),
     proofingDisabled: {
-      ...TemplateFactory.createLetterTemplate(
+      ...TemplateFactory.uploadLetterTemplate(
         '9AACCD57-C6A3-4273-854C-3839A081B4D8',
         user,
         'ProofingDisabled',