Unify 1D lagend entries to use a space between b/c and ireg

Author: pjaap

ext/GridVisualizeMakieExt.jl

@@ -327,7 +327,7 @@ function gridplot!(ctx, TP::Type{MakieType}, ::Type{Val{1}}, grid)
                 map(g -> bregionmesh1d(g, gridscale, i), ctx[:grid]);
                 color = bcmap[i],
                 linewidth = 4,
-                label = "b$(i)",
+                label = "b $(i)",
             )
         end
 

ext/GridVisualizePlutoVistaExt.jl

@@ -152,7 +152,7 @@ function gridplot!(ctx, TP::Type{PlutoVistaType}, ::Type{Val{1}}, grid)
 
     for icell in 1:num_cells(grid)
         ireg = cellregions[icell]
-        label = crflag[ireg] ? "c$(ireg)" : ""
+        label = crflag[ireg] ? "c $(ireg)" : ""
         crflag[ireg] = false
 
         x1 = coord[1, cellnodes[1, icell]]
@@ -189,7 +189,7 @@ function gridplot!(ctx, TP::Type{PlutoVistaType}, ::Type{Val{1}}, grid)
     for ibface in 1:num_bfaces(grid)
         ireg = bfaceregions[ibface]
         if ireg > 0
-            label = brflag[ireg] ? "b$(ireg)" : ""
+            label = brflag[ireg] ? "b $(ireg)" : ""
             brflag[ireg] = false
             x1 = coord[1, bfacenodes[1, ibface]]
             PlutoVista.plot!(

ext/GridVisualizePyPlotExt.jl

@@ -168,7 +168,7 @@ function gridplot!(ctx, TP::Type{PyPlotType}, ::Type{Val{1}}, grid)
 
     for icell in 1:num_cells(grid)
         ireg = cellregions[icell]
-        label = crflag[ireg] ? "c$(ireg)" : ""
+        label = crflag[ireg] ? "c $(ireg)" : ""
         crflag[ireg] = false
 
         x1 = coord[1, cellnodes[1, icell]] * gridscale
@@ -188,7 +188,7 @@ function gridplot!(ctx, TP::Type{PyPlotType}, ::Type{Val{1}}, grid)
     for ibface in 1:num_bfaces(grid)
         ireg = bfaceregions[ibface]
         if ireg > 0
-            label = brflag[ireg] ? "b$(ireg)" : ""
+            label = brflag[ireg] ? "b $(ireg)" : ""
             brflag[ireg] = false
             x1 = coord[1, bfacenodes[1, ibface]] * ctx[:gridscale]
             ax.plot(