fix: service env variable ovewritten if it has a default value

bootstrap/helpers/shared.php

@@ -969,10 +969,6 @@ function parseDockerComposeFile(Service|Application $resource, bool $isNew = fal
                                 }
                             }
                         } else {
-                            $foundEnv = EnvironmentVariable::where([
-                                'key' => $key,
-                                'service_id' => $resource->id,
-                            ])->first();
                             if ($value->contains(':-')) {
                                 $key = $value->before(':');
                                 $defaultValue = $value->after(':-');
@@ -989,6 +985,10 @@ function parseDockerComposeFile(Service|Application $resource, bool $isNew = fal
                                 $key = $value;
                                 $defaultValue = null;
                             }
+                            $foundEnv = EnvironmentVariable::where([
+                                'key' => $key,
+                                'service_id' => $resource->id,
+                            ])->first();
                             if ($foundEnv) {
                                 $defaultValue = data_get($foundEnv, 'value');
                             }