[Vulkan] Fix ternary operator shader compiler expression

servers/visual/rasterizer_rd/shader_compiler_rd.cpp

@@ -725,11 +725,13 @@ String ShaderCompilerRD::_dump_node_code(const SL::Node *p_node, int p_level, Ge
 				} break;
 				case SL::OP_SELECT_IF: {
 
+					code += "(";
 					code += _dump_node_code(onode->arguments[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
 					code += "?";
 					code += _dump_node_code(onode->arguments[1], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
 					code += ":";
 					code += _dump_node_code(onode->arguments[2], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
+					code += ")";
 
 				} break;