fix(viz): remove extra space in R2VB program preprocessor definitions

Sadly, this prevented the preprocessor defines of the R2VB geometry programs to be parsed properly, thus causing rendering issues.

libs/viz/scene3d/rc/Media/materials/core/R2VB.program

@@ -25,7 +25,7 @@ vertex_program R2VB/Ambient+VT_VP glsl
 {
     source RenderScene_VP.glsl
 
-    preprocessor_defines R2VB=1, VERTEX_COLOR=1
+    preprocessor_defines R2VB=1,VERTEX_COLOR=1
 }
 
 //---------------------------------------------------------------------------
@@ -34,7 +34,7 @@ vertex_program R2VB/Ambient+DfsTex_VP glsl
 {
     source RenderScene_VP.glsl
 
-    preprocessor_defines R2VB=1, DIFFUSE_TEX=1
+    preprocessor_defines R2VB=1,DIFFUSE_TEX=1
 }
 
 //---------------------------------------------------------------------------
@@ -43,7 +43,7 @@ vertex_program R2VB/Ambient+VT+DfsTex_VP glsl
 {
     source RenderScene_VP.glsl
 
-    preprocessor_defines R2VB=1, VERTEX_COLOR=1,DIFFUSE_TEX=1
+    preprocessor_defines R2VB=1,VERTEX_COLOR=1,DIFFUSE_TEX=1
 }
 
 //---------------------------------------------------------------------------
@@ -52,7 +52,7 @@ vertex_program R2VB/Flat_VP glsl
 {
     source RenderScene_VP.glsl
 
-    preprocessor_defines R2VB=1, FLAT=1
+    preprocessor_defines R2VB=1,FLAT=1
 }
 
 //---------------------------------------------------------------------------
@@ -61,7 +61,7 @@ vertex_program R2VB/Flat+VT_VP glsl
 {
     source RenderScene_VP.glsl
 
-    preprocessor_defines R2VB=1, FLAT=1,VERTEX_COLOR=1
+    preprocessor_defines R2VB=1,FLAT=1,VERTEX_COLOR=1
 }
 
 //---------------------------------------------------------------------------
@@ -70,7 +70,7 @@ vertex_program R2VB/Flat+DfsTex_VP glsl
 {
     source RenderScene_VP.glsl
 
-    preprocessor_defines R2VB=1, FLAT=1,DIFFUSE_TEX=1
+    preprocessor_defines R2VB=1,FLAT=1,DIFFUSE_TEX=1
 }
 
 //---------------------------------------------------------------------------
@@ -79,7 +79,7 @@ vertex_program R2VB/Flat+VT+DfsTex_VP glsl
 {
     source RenderScene_VP.glsl
 
-    preprocessor_defines R2VB=1, FLAT=1,VERTEX_COLOR=1,DIFFUSE_TEX=1
+    preprocessor_defines R2VB=1,FLAT=1,VERTEX_COLOR=1,DIFFUSE_TEX=1
 }
 
 //---------------------------------------------------------------------------
@@ -88,7 +88,7 @@ vertex_program R2VB/PixelLit_VP glsl
 {
     source RenderScene_VP.glsl
 
-    preprocessor_defines R2VB=1, PHONG=1
+    preprocessor_defines R2VB=1,PHONG=1
 }
 
 //---------------------------------------------------------------------------
@@ -97,7 +97,7 @@ vertex_program R2VB/PixelLit+VT_VP glsl
 {
     source RenderScene_VP.glsl
 
-    preprocessor_defines R2VB=1, PHONG=1,VERTEX_COLOR=1
+    preprocessor_defines R2VB=1,PHONG=1,VERTEX_COLOR=1
 }
 
 //---------------------------------------------------------------------------
@@ -106,7 +106,7 @@ vertex_program R2VB/PixelLit+DfsTex_VP glsl
 {
     source RenderScene_VP.glsl
 
-    preprocessor_defines R2VB=1, PHONG=1,DIFFUSE_TEX=1
+    preprocessor_defines R2VB=1,PHONG=1,DIFFUSE_TEX=1
 }
 
 //---------------------------------------------------------------------------
@@ -115,7 +115,7 @@ vertex_program R2VB/PixelLit+VT+DfsTex_VP glsl
 {
     source RenderScene_VP.glsl
 
-    preprocessor_defines R2VB=1, PHONG=1,VERTEX_COLOR=1,DIFFUSE_TEX=1
+    preprocessor_defines R2VB=1,PHONG=1,VERTEX_COLOR=1,DIFFUSE_TEX=1
 }
 
 //-----------------------------------------------------------------------------

libs/viz/scene3d/rc/Media/materials/genTemplates/R2VB.program.tpl

@@ -17,7 +17,7 @@ vertex_program R2VB/{{ shading }}_VP glsl
 {
     source RenderScene_VP.glsl
 
-    preprocessor_defines R2VB=1{% if defines %}, {{ defines }}{% endif %}
+    preprocessor_defines R2VB=1{% if defines %},{{ defines }}{% endif %}
 
 }
 {% endfor %}