fix: config cleared if passed content is nil

Fixed #6701
Fixed #6700

src/main/frontend/handler/file.cljs

@@ -121,7 +121,7 @@
                    (fn [_]
                      (cond
                        (= path (config/get-repo-config-path repo))
-                       (p/let [_ (repo-config-handler/restore-repo-config! repo)]
+                       (p/let [_ (repo-config-handler/restore-repo-config! repo content)]
                          (state/pub-event! [:shortcut/refresh]))
 
                        (and (config/global-config-enabled?) (= path (global-config-handler/global-config-path)))

src/main/frontend/handler/repo_config.cljs

@@ -51,9 +51,10 @@
 
 (defn restore-repo-config!
   "Sets repo config state from db"
-  [repo-url]
-  (let [config-content (get-repo-config-content repo-url)]
-    (set-repo-config-state! repo-url config-content)))
+  ([repo-url]
+   (restore-repo-config! repo-url (get-repo-config-content repo-url)))
+  ([repo-url config-content]
+   (set-repo-config-state! repo-url config-content)))
 
 (defn start
   "This component only has one reponsibility on start, to manage db and ui state

src/main/frontend/state.cljs

@@ -1311,12 +1311,12 @@ Similar to re-frame subscriptions"
 
 (defn set-config!
   [repo-url value]
-  (set-state! [:config repo-url] value))
+  (when value (set-state! [:config repo-url] value)))
 
 (defn set-global-config!
   [value]
   ;; Placed under :config so cursors can work seamlessly
-  (set-config! ::global-config value))
+  (when value (set-config! ::global-config value)))
 
 (defn get-wide-mode?
   []

templates/config.edn

@@ -213,7 +213,7 @@
 
  :ref/linked-references-collapsed-threshold 50
 
- :favorites ["How to take dummy notes?"]
+ :favorites []
 
  ;; any number between 0 and 1 (the greater it is the faster the changes of the next-interval of card reviews) (default 0.5)
  ;; :srs/learning-fraction 0.5