Improved error context usage

refs #10571

- Change was done to avoid usage of hardcoded value and provide more context. Additionally errorDetails are formatted in a readable way

core/server/api/v0.1/themes.js

@@ -54,7 +54,7 @@ themes = {
                 if (!loadedTheme) {
                     return Promise.reject(new common.errors.ValidationError({
                         message: common.i18n.t('notices.data.validation.index.themeCannotBeActivated', {themeName: themeName}),
-                        context: 'active_theme'
+                        errorDetails: newSettings
                     }));
                 }
 

core/server/api/v2/themes.js

@@ -45,7 +45,7 @@ module.exports = {
             if (!loadedTheme) {
                 return Promise.reject(new common.errors.ValidationError({
                     message: common.i18n.t('notices.data.validation.index.themeCannotBeActivated', {themeName: themeName}),
-                    context: 'active_theme'
+                    errorDetails: newSettings
                 }));
             }