Improvements for status code generation

- Now includes labels
- Python template generates javascript which is then rendered? I don't even follow it any more

InvenTree/templates/status_codes.html

@@ -0,0 +1,27 @@
+var {{ label }}Codes = {
+    {% for opt in options %}'{{ opt.key }}': {
+        key: '{{ opt.key }}',
+        value: '{{ opt.value }}',{% if opt.label %}
+        label: '{{ opt.label }}',{% endif %}
+    },{% endfor %}
+};
+
+function {{ label }}StatusDisplay(key) {
+
+    key = String(key);
+
+    var label = {{ label }}Codes[key].label;
+
+    var value = {{ label }}Codes[key].value;
+
+    if (value == null || value.length == 0) {
+        value = key;
+    }
+
+    // Label not found, return the original string
+    if (label == null || label.length == 0) {
+        return value;
+    }
+
+    return `<span class='label label-${label}'>${value}</span>`;
+}