add steprange method

src/Optimization/optimization_problem_results.jl

@@ -16,6 +16,40 @@ mutable struct OptimizationProblemResults <: Results
     output_dir::String
 end
 
+function OptimizationProblemResults(
+    base_power::Float64,
+    timestamps::StepRange{Dates.DateTime, Dates.Millisecond},
+    source_data::Union{Nothing, InfrastructureSystemsType},
+    source_data_uuid::Base.UUID,
+    aux_variable_values::Dict{AuxVarKey, DataFrames.DataFrame},
+    variable_values::Dict{VariableKey, DataFrames.DataFrame},
+    dual_values::Dict{ConstraintKey, DataFrames.DataFrame},
+    parameter_values::Dict{ParameterKey, DataFrames.DataFrame},
+    expression_values::Dict{ExpressionKey, DataFrames.DataFrame},
+    optimizer_stats::DataFrames.DataFrame,
+    optimization_container_metadata::OptimizationContainerMetadata,
+    model_type::String,
+    results_dir::String,
+    output_dir::String,
+)
+    return OptimizationProblemResults(
+        base_power,
+        collect(timestamps),
+        source_data,
+        source_data_uuid,
+        aux_variable_values,
+        variable_values,
+        dual_values,
+        parameter_values,
+        expression_values,
+        optimizer_stats,
+        optimization_container_metadata,
+        model_type,
+        results_dir,
+        output_dir,
+    )
+end
+
 list_aux_variable_keys(res::OptimizationProblemResults) =
     collect(keys(res.aux_variable_values))
 list_aux_variable_names(res::OptimizationProblemResults) =