reinstated some of the error infrastructure in Stepper, but left it disabled

Author: jspaaks

src/components/Stepper.vue

@@ -15,8 +15,8 @@
             icon=""
             name="start"
             title="Start"
-            v-bind:active-icon="'edit'"
-            v-bind:color="'primary'"
+            v-bind:active-icon="false ? 'warning' : 'edit'"
+            v-bind:color="false ? 'negative' : 'primary'"
             v-bind:error="false"
             v-bind:order="0"
             v-on:click="setStepName('start')"
@@ -28,8 +28,8 @@
             icon=""
             name="authors"
             title="Authors"
-            v-bind:active-icon="'edit'"
-            v-bind:color="'primary'"
+            v-bind:active-icon="false ? 'warning' : 'edit'"
+            v-bind:color="false ? 'negative' : 'primary'"
             v-bind:error="false"
             v-bind:order="1"
             v-on:click="setStepName('authors')"
@@ -52,8 +52,8 @@
             icon=""
             name="identifiers"
             title="Identifiers"
-            v-bind:active-icon="'edit'"
-            v-bind:color="'primary'"
+            v-bind:active-icon="false ? 'warning' : 'edit'"
+            v-bind:color="false ? 'negative' : 'primary'"
             v-bind:error="false"
             v-bind:order="3"
             v-if="showAdvanced"
@@ -66,8 +66,8 @@
             icon=""
             name="related-resources"
             title="Related resources"
-            v-bind:active-icon="'edit'"
-            v-bind:color="'primary'"
+            v-bind:active-icon="false ? 'warning' : 'edit'"
+            v-bind:color="false ? 'negative' : 'primary'"
             v-bind:error="false"
             v-bind:order="4"
             v-if="showAdvanced"
@@ -89,8 +89,8 @@
             icon=""
             name="keywords"
             title="Keywords"
-            v-bind:active-icon="'edit'"
-            v-bind:color="'primary'"
+            v-bind:active-icon="false ? 'warning' : 'edit'"
+            v-bind:color="false ? 'negative' : 'primary'"
             v-bind:error="false"
             v-bind:order="6"
             v-if="showAdvanced"
@@ -113,8 +113,8 @@
             icon=""
             name="version-specific"
             title="Version specific"
-            v-bind:active-icon="'edit'"
-            v-bind:color="'primary'"
+            v-bind:active-icon="false ? 'warning' : 'edit'"
+            v-bind:color="false ? 'negative' : 'primary'"
             v-bind:error="false"
             v-bind:order="8"
             v-if="showAdvanced"