[ENG-9654] Fix translation errors for Azure Blob Storage

- Ticket: [ENG-9654]
- Feature flag: n/a

## Purpose
- Prevent missing translation inputs when adding new addon providers

## Summary of Changes
- Add Azure Blob Storage to `AddonServiceNames` enum
- Add fallback value when fetching a service's name

## Screenshot(s)
- Prevents this issue when updating/removing addon configurations for new providers

Author: futa-ikeda

src/app/features/project/project-addons/components/configure-addon/configure-addon.component.ts

@@ -89,7 +89,9 @@ export class ConfigureAddonComponent implements OnInit {
   selectedStorageItem = select(AddonsSelectors.getSelectedStorageItem);
 
   addonServiceName = computed(
-    () => AddonServiceNames[this.addon()?.externalServiceName as keyof typeof AddonServiceNames]
+    () =>
+      AddonServiceNames[this.addon()?.externalServiceName as keyof typeof AddonServiceNames] ||
+      this.addon()?.displayName
   );
 
   readonly baseUrl = computed(() => {

src/app/shared/enums/addon-service-names.enum.ts

@@ -1,4 +1,5 @@
 export enum AddonServiceNames {
+  azureblobstorage = 'Azure Blob Storage',
   figshare = 'figshare',
   onedrive = 'Onedrive',
   dropbox = 'Dropbox',