update colorsStyleList not only at update of customForm

src/store/modules/feature_type.js

@@ -6,6 +6,11 @@ axios.defaults.headers.common['X-CSRFToken'] = (name => {
   return (value !== null) ? unescape(value[1]) : null;
 })('csrftoken');
 
+const getColorsStyles = (customForms) => customForms.filter(customForm => customForm.options && customForm.options.length).map(el => {
+  //* in dropdown, value is the name and name is the label to be displayed, could be changed...
+  return { value: el.name, name: el.label, options: el.options }
+});
+
 
 const feature_type = {
   namespaced: true,
@@ -36,26 +41,27 @@ const feature_type = {
     },
     SET_CUSTOM_FORMS(state, customForms) {
       state.customForms = customForms;
+      state.colorsStyleList = getColorsStyles(state.customForms);
     },
     ADD_CUSTOM_FORM(state, customForm) {
       state.customForms = [...state.customForms, customForm];
+      state.colorsStyleList = getColorsStyles(state.customForms);
     },
     UPDATE_CUSTOM_FORM(state, payload) {
       const index = state.customForms.findIndex((el) => el.dataKey === payload.dataKey);
       if (index !== -1) {
         state.customForms[index] = payload;
-        //* trigger update of available options for colors style in feature_type_edit
-        state.colorsStyleList = state.customForms.filter(cust => cust.options && cust.options.length).map(el => {
-          //* in dropdown, value is the name and name is the label to be displayed, could be changed...
-          return { value: el.name, name: el.label, options: el.options }
-        })
+        //* trigger update of available options for colors style in feature_type_edit (getters not working)
+        state.colorsStyleList = getColorsStyles(state.customForms);
       }
     },
     REMOVE_CUSTOM_FORM(state, payload) {
       state.customForms = state.customForms.filter(form => form.dataKey !== payload);
+      state.colorsStyleList = getColorsStyles(state.customForms);
     },
     EMPTY_CUSTOM_FORMS(state) {
       state.customForms = [];
+      state.colorsStyleList = [];
     },
     SET_IMPORT_FEATURE_TYPES_DATA(state, payload) {
       state.importFeatureTypeData = payload;