fix: ensure all report subcommands exit 0 when there is no app

Closes #7454

tests/unit/report.bats

@@ -4,17 +4,18 @@ load test_helper
 
 setup() {
   global_setup
-  deploy_app
   rm -f /tmp/fake-docker-bin
 }
 
 teardown() {
   rm -f /tmp/fake-docker-bin
-  destroy_app
+  destroy_app || true
   global_teardown
 }
 
 @test "(report) report" {
+  deploy_app
+
   run /bin/bash -c "dokku report"
   echo "output: $output"
   echo "status: $status"
@@ -57,6 +58,8 @@ teardown() {
 }
 
 @test "(report) custom docker bin" {
+  deploy_app
+
   export DOCKER_BIN="docker"
   run /bin/bash -c "dokku report"
   echo "output: $output"
@@ -85,3 +88,52 @@ teardown() {
 
   unset DOCKER_BIN
 }
+
+@test "(report) exit 0 when no apps exist" {
+  run /bin/bash -c "dokku report"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  plugins=(
+    app-json
+    apps
+    builder
+    builder-dockerfile
+    builder-herokuish
+    builder-lambda
+    builder-nixpacks
+    builder-pack
+    buildpacks
+    caddy
+    certs
+    checks
+    cron
+    docker-options
+    domains
+    git
+    haproxy
+    logs
+    network
+    nginx
+    openresty
+    ports
+    proxy
+    ps
+    registry
+    resource
+    scheduler
+    scheduler-docker-local
+    scheduler-k3s
+    storage
+    traefik
+  )
+
+  for plugin in "${plugins[@]}"; do
+    run /bin/bash -c "dokku $plugin:report 2>&1"
+    echo "output: $output"
+    echo "status: $status"
+    assert_success
+    assert_output_contains "You haven't deployed any applications yet"
+  done
+}