edit gl3d mocks which should have rgba instead of rgb

Author: archmoj

test/image/mocks/gl3d_mesh3d_enable-alpha-with-rgba-color.json

@@ -9,10 +9,10 @@
             "j":[1, 2, 3, 2],
             "k":[2, 3, 1, 3],
             "vertexcolor": [
-                "rgb(0, 0, 0, 1.0)",
-                "rgb(255, 0, 0, 0.1)",
-                "rgb(0, 255, 0, 0.1)",
-                "rgb(0, 0, 255, 0.1)"
+                "rgba(0, 0, 0, 1.0)",
+                "rgba(255, 0, 0, 0.1)",
+                "rgba(0, 255, 0, 0.1)",
+                "rgba(0, 0, 255, 0.1)"
             ]
         }
     ],

test/image/mocks/gl3d_scatter3d_line3d_error3d_enable-alpha-with-rgba-color.json

@@ -7,16 +7,16 @@
             "mode": "markers+lines",
             "marker": {
                 "size": 50,
-                "color": ["rgb(0, 255, 0, 1.0)", "rgb(255, 0, 0, 1.0)", "rgb(255, 0, 0, 0.2)", "rgb(255, 0, 0, 1.0)", "rgb(0, 0, 255, 1.0)"]
+                "color": ["rgba(0, 255, 0, 1.0)", "rgba(255, 0, 0, 1.0)", "rgba(255, 0, 0, 0.2)", "rgba(255, 0, 0, 1.0)", "rgba(0, 0, 255, 1.0)"]
             },
             "line": {
                 "width": 50,
-                "color": ["rgb(0, 255, 0, 1.0)", "rgb(255, 0, 0, 1.0)", "rgb(255, 0, 0, 0.2)", "rgb(255, 0, 0, 1.0)", "rgb(0, 0, 255, 1.0)"]
+                "color": ["rgba(0, 255, 0, 1.0)", "rgba(255, 0, 0, 1.0)", "rgba(255, 0, 0, 0.2)", "rgba(255, 0, 0, 1.0)", "rgba(0, 0, 255, 1.0)"]
             },
             "error_z": {
                 "type": "sqrt",
                 "line": { "thickness": 10 },
-                "color": "rgb(255, 127, 0, 0.75)"
+                "color": "rgba(255, 127, 0, 0.75)"
             },
             "error_x": {
                 "type": "sqrt"

test/image/mocks/gl3d_scatter3d_line3d_error3d_transparent-with-zero-alpha.json

@@ -7,18 +7,18 @@
             "mode": "markers+lines",
             "marker": {
                 "size": 50,
-                "color": ["rgb(0, 255, 0, 0.5)", "rgb(255, 0, 0, 0.0)", "rgb(255, 0, 0, 0.0)", "rgb(255, 0, 0, 0.0)", "rgb(0, 0, 255, 1.0)"],
+                "color": ["rgba(0, 255, 0, 0.5)", "rgba(255, 0, 0, 0.0)", "rgba(255, 0, 0, 0.0)", "rgba(255, 0, 0, 0.0)", "rgba(0, 0, 255, 1.0)"],
                 "opacity": 0.999
             },
             "line": {
                 "width": 50,
-                "color": ["rgb(0, 255, 0, 0.5)", "rgb(255, 0, 0, 0.0)", "rgb(255, 0, 0, 0.0)", "rgb(255, 0, 0, 0.0)", "rgb(0, 0, 255, 1.0)"],
+                "color": ["rgba(0, 255, 0, 0.5)", "rgba(255, 0, 0, 0.0)", "rgba(255, 0, 0, 0.0)", "rgba(255, 0, 0, 0.0)", "rgba(0, 0, 255, 1.0)"],
                 "opacity": 0.999
             },
             "error_z": {
                 "type": "sqrt",
                 "line": { "thickness": 10 },
-                "color": "rgb(0, 255, 0, 0.0)",
+                "color": "rgba(0, 255, 0, 0.0)",
                 "opacity": 0.999
             },
             "error_x": {