Set correct dimension in FancyExtruderGenerator (idaholab#16902)

framework/src/meshgenerators/FancyExtruderGenerator.C

@@ -133,6 +133,7 @@ FancyExtruderGenerator::generate()
   // Original license is LGPL so it can be used here.
 
   auto mesh = buildMeshBaseObject();
+  mesh->set_mesh_dimension(_input->mesh_dimension() + 1);
 
   std::unique_ptr<MeshBase> input = std::move(_input);
 

test/tests/meshgenerators/fancy_extruder_generator/fancy_extruder_then_parsed_gen_sideset.i

@@ -0,0 +1,27 @@
+[Mesh]
+  [file]
+    type = CartesianMeshGenerator
+    dim = 2
+    dx = '1 1 1 1'
+    dy = '1 1'
+    subdomain_id = '1 2 3 4
+                    1 2 3 4'
+  []
+
+  [extrude]
+    type = FancyExtruderGenerator
+    direction = '0 0 1'
+    heights = '1 1 1'
+    num_layers = '1 1 1'
+    input = file
+  []
+
+  [add_side]
+    type = ParsedGenerateSideset
+    combinatorial_geometry = '2 > 1'
+    new_sideset_name = new_s
+    included_subdomain_ids = 1
+    included_neighbor_ids = 2
+    input = extrude
+  []
+[]

test/tests/meshgenerators/fancy_extruder_generator/tests

@@ -17,4 +17,15 @@
     issues = '#15944 #15936 #15823'
     design = 'FancyExtruderGenerator.md'
   []
+  [extruder_then_parsed_gen_sideset]
+    type = 'Exodiff'
+    input = fancy_extruder_then_parsed_gen_sideset.i
+    cli_args = '--mesh-only'
+    exodiff = 'fancy_extruder_then_parsed_gen_sideset_in.e'
+    recover = false
+
+    requirement = 'The system shall be able to use the result from FancyExtruderGenerator in subsequent mesh generators'
+    design = 'FancyExtruderGenerator.md'
+    issues = '#16902'
+  []
 []