Geometry Nodes: Add Rotate Euler Node

This commit introduces the Rotate Euler function node which modifies
an input euler rotation. The node replaces the "Point Rotate" node.

Addresses T91375.

Differential Revision: https://developer.blender.org/D12531

source/blender/blenkernel/intern/node.cc

@@ -5824,6 +5824,7 @@ static void registerFunctionNodes()
   register_node_type_fn_input_string();
   register_node_type_fn_input_vector();
   register_node_type_fn_random_value();
+  register_node_type_fn_rotate_euler();
   register_node_type_fn_string_length();
   register_node_type_fn_string_substring();
   register_node_type_fn_value_to_string();