fix css custom property name of replaceable input color

Author: haschek

src/cmem/react-flow/configuration/_colors-workflow.scss

@@ -11,6 +11,6 @@
     --#{$eccgui}-task-node-bright: #{eccgui-color-var("layout", "lime", 300)};
     --#{$eccgui}-workflow-node: #{eccgui-color-var("layout", "purple", 700)};
     --#{$eccgui}-workflow-node-bright: #{eccgui-color-var("layout", "purple", 300)};
-    --#{$eccgui}-replaceableInput: #{eccgui-color-var("layout", "amber", 700)};
-    --#{$eccgui}-replaceableInput-bright: #{eccgui-color-var("layout", "amber", 300)};
+    --#{$eccgui}-replaceable-input: #{eccgui-color-var("layout", "amber", 700)};
+    --#{$eccgui}-replaceable-input-bright: #{eccgui-color-var("layout", "amber", 300)};
 }