fix strings in joint shocks and variables

Author: Thore Kockerols

ext/StatsPlotsExt.jl

@@ -945,8 +945,8 @@ function plot_model_estimates!(𝓂::ℳ,
                         legend_title = length(annotate_diff_input) > 2 ? nothing : annotate_diff_input[2][1],
                         label = length(annotate_diff_input) > 2 ? k[:label] isa Symbol ? string(k[:label]) : k[:label] : annotate_diff_input[2][2][i] isa String ? annotate_diff_input[2][2][i] : String(Symbol(annotate_diff_input[2][2][i])))
 
-        push!(joint_shocks, String.(k[:shock_names])...)
-        push!(joint_variables, String.(k[:variable_names])...)
+        foreach(n -> push!(joint_variables, String(n)), k[:variable_names] isa AbstractVector ? k[:variable_names] : (k[:variable_names],))
+        foreach(n -> push!(joint_shocks, String(n)), k[:shock_names] isa AbstractVector ? k[:shock_names] : (k[:shock_names],))
     end
 
     if haskey(diffdict, :data) || haskey(diffdict, :presample_periods)
@@ -2600,8 +2600,8 @@ function plot_irf!(𝓂::ℳ;
                             label = length(annotate_diff_input) > 2 ? k[:label] isa Symbol ? string(k[:label]) : k[:label] : annotate_diff_input[2][2][i] isa String ? annotate_diff_input[2][2][i] : String(Symbol(annotate_diff_input[2][2][i])))
         end
 
-        push!(joint_shocks, String.(k[:shock_names])...)
-        push!(joint_variables, String.(k[:variable_names])...)
+        foreach(n -> push!(joint_variables, String(n)), k[:variable_names] isa AbstractVector ? k[:variable_names] : (k[:variable_names],))
+        foreach(n -> push!(joint_shocks, String(n)), k[:shock_names] isa AbstractVector ? k[:shock_names] : (k[:shock_names],))
 
         single_shock_per_irf = single_shock_per_irf && length(k[:shock_names]) == 1
     end
@@ -4542,8 +4542,8 @@ function plot_conditional_forecast!(𝓂::ℳ,
                             label = length(annotate_diff_input) > 2 ? k[:label] isa Symbol ? string(k[:label]) : k[:label] : annotate_diff_input[2][2][i] isa String ? annotate_diff_input[2][2][i] : String(Symbol(annotate_diff_input[2][2][i])))
         end
 
-        push!(joint_shocks, String.(k[:shock_names])...)
-        push!(joint_variables, String.(k[:variable_names])...)
+        foreach(n -> push!(joint_variables, String(n)), k[:variable_names] isa AbstractVector ? k[:variable_names] : (k[:variable_names],))
+        foreach(n -> push!(joint_shocks, String(n)), k[:shock_names] isa AbstractVector ? k[:shock_names] : (k[:shock_names],))
     end
 
     for (i,k) in enumerate(conditional_forecast_active_plot_container)