fix nodeboxes of double- and offset pane

octagon_panes.lua

@@ -44,7 +44,7 @@ local function register(basename, description, texture)
     is_ground_content = false,
     node_box = {
       type = "fixed",
-      fixed = {{-0.5, -0.5, 0, 0.5, 1.5, 0}},
+      fixed = {{-0.5, -0.5, -0.03125, 0.5, 1.5, 0.03125}},
     },
     selection_box = {
       type = "fixed",
@@ -69,7 +69,7 @@ local function register(basename, description, texture)
     is_ground_content = false,
     node_box = {
       type = "fixed",
-      fixed = {{-0.5, -0.5, 1, 0.5, 0.5, 1}},
+      fixed = {{-0.5, -0.5, 0.96875, 0.5, 0.5, 1.03125}},
     },
     selection_box = {
       type = "fixed",