Stop mapping `struct_deconstruct` intermediate field vars to cairo variables

[piotmag769]

cairo-debugger/src/debugger/state/call_stack/variables.rs

Lines 82 to 86 in 9575b2a

	// TODO(#136)
	// The same definition span but fewer cells: a struct_deconstruct intermediate field
	// variable can be mapped back to the struct's Cairo name in debugger mappings,
	// which would degrade a complete multi-felt struct to just its first field.
	if span == curr_span && cells_vals.len() < curr_cells.len() {