Cleanup: Compositor: List all types in switch case

Replace default cases with all types to make adding new types easier.

source/blender/nodes/composite/nodes/node_composite_file_output.cc

@@ -748,8 +748,10 @@ class FileOutputOperation : public NodeOperation {
         });
         return buffer;
       }
-      default:
-        /* Other types are internal and needn't be handled by operations. */
+      case ResultType::Int:
+      case ResultType::Int2:
+      case ResultType::Float2:
+        /* Not supported. */
         break;
     }
 

source/blender/nodes/composite/nodes/node_composite_image.cc

@@ -773,8 +773,10 @@ class RenderLayerOperation : public NodeOperation {
       case ResultType::Color:
       case ResultType::Float4:
         return "compositor_read_input_float4";
-      default:
-        /* Other types are internal and needn't be handled by operations. */
+      case ResultType::Int:
+      case ResultType::Int2:
+      case ResultType::Float2:
+        /* Not supported. */
         break;
     }