Cleanup: use BLI_assert_unreachable in some places

source/blender/nodes/intern/node_tree_ref.cc

@@ -141,7 +141,7 @@ InputSocketRef &NodeTreeRef::find_input_socket(Map<bNode *, NodeRef *> &node_map
       return *socket;
     }
   }
-  BLI_assert(false);
+  BLI_assert_unreachable();
   return *node->inputs_[0];
 }
 
@@ -155,7 +155,7 @@ OutputSocketRef &NodeTreeRef::find_output_socket(Map<bNode *, NodeRef *> &node_m
       return *socket;
     }
   }
-  BLI_assert(false);
+  BLI_assert_unreachable();
   return *node->outputs_[0];
 }
 

source/blender/nodes/intern/type_callbacks.cc

@@ -69,7 +69,7 @@ void socket_expand_in_mf_network(SocketMFNetworkBuilder &builder)
     builder.set_constant_value(type, buffer);
   }
   else {
-    BLI_assert(false);
+    BLI_assert_unreachable();
   }
 }