fix(iot-hub): reuse existing device profiles and add missing retry translation

- Find device profile by name before creating; reuse if exists
- Add action.retry translation key (was showing raw key)

ui-ngx/src/app/modules/home/pages/iot-hub/device-install-dialog/device-install-dialog.component.ts

@@ -337,6 +337,10 @@ export class TbDeviceInstallDialogComponent implements OnInit {
 
     switch (step.type) {
       case InstallStepType.DEVICE_PROFILE: {
+        const existing = await this.findDeviceProfileByName(template.name);
+        if (existing) {
+          return existing;
+        }
         const result = await firstValueFrom(this.deviceProfileService.saveDeviceProfile(template));
         return { id: result.id.id, name: result.name };
       }
@@ -363,4 +367,10 @@ export class TbDeviceInstallDialogComponent implements OnInit {
         throw new Error(`Unsupported entity step type: ${step.type}`);
     }
   }
+
+  private async findDeviceProfileByName(name: string): Promise<EntityStepOutput | null> {
+    const profiles = await firstValueFrom(this.deviceProfileService.getDeviceProfileNames());
+    const match = profiles.find(p => p.name === name);
+    return match ? { id: match.id.id, name: match.name } : null;
+  }
 }

ui-ngx/src/assets/locale/locale.constant-en_US.json

@@ -82,7 +82,8 @@
         "upload": "Upload",
         "delete-anyway": "Delete anyway",
         "delete-selected": "Delete selected",
-        "set": "Set"
+        "set": "Set",
+        "retry": "Retry"
     },
     "aggregation": {
         "aggregation": "Aggregation",