fix(device-agent): removes redundant db update while setting desired state

.gitignore

@@ -1 +1,2 @@
 .buildx-cache/
+vendor

poc/device/agent/database/database.go

@@ -297,24 +297,22 @@ func (db *Database) notify(
 
 func (db *Database) SetDesiredState(deploymentId string, state AppDeploymentState) error {
 	db.mu.Lock()
+
+	defer db.TriggerDataPersist()
 	defer db.mu.Unlock()
 
 	record, exists := db.deployments[deploymentId]
 	if !exists {
+		// initialise a record object
 		record = &DeploymentRecord{
 			AppID:               deploymentId,
 			DeploymentID:        deploymentId,
 			ComponentViseStatus: make(map[string]sbi.ComponentStatus),
 			Phase:               "pending",
 			LastUpdated:         time.Now(),
 		}
-		db.deployments[deploymentId] = record
-		db.notify(deploymentId, record, DeploymentChangeTypeDesiredStateAdded)
 	}
 
-	// Only update if actually different
-	// if record.DesiredState == nil || record.DesiredState.AppDeploymentYAMLHash !=
-	// state.AppDeploymentYAMLHash {
 	record.DesiredState = &state
 	record.LastUpdated = time.Now()
 	// Store the digest and URL from the state
@@ -324,11 +322,11 @@ func (db *Database) SetDesiredState(deploymentId string, state AppDeploymentStat
 	if state.URL != nil {
 		record.URL = *state.URL
 	}
+	// record should be updated in db after assigning all fields in record
+	db.deployments[deploymentId] = record
 
 	db.notify(deploymentId, record, DeploymentChangeTypeDesiredStateAdded)
 
-	db.TriggerDataPersist()
-
 	return nil
 }