🚚(helm) specify unique component names for all backend jobs

Update backend job configurations to use distinct component names instead of
sharing names with deployments. Prevents conflicts during cluster updates
and migrations that were causing unexpected behavior. Improves deployment
reliability and resource identification.

src/helm/meet/templates/backend_job_createsuperuser.yaml

@@ -1,6 +1,6 @@
 {{- $envVars := include "meet.common.env" (list . .Values.backend) -}}
 {{- $fullName := include "meet.backend.fullname" . -}}
-{{- $component := "backend" -}}
+{{- $component := "backend-createsuperuser" -}}
 apiVersion: batch/v1
 kind: Job
 metadata:

src/helm/meet/templates/backend_job_migrate.yaml

@@ -1,6 +1,6 @@
 {{- $envVars := include "meet.common.env" (list . .Values.backend) -}}
 {{- $fullName := include "meet.backend.fullname" . -}}
-{{- $component := "backend" -}}
+{{- $component := "backend-migrate" -}}
 apiVersion: batch/v1
 kind: Job
 metadata: