General refactor for consistency & idempotency

Also updated comments

modules/ui/nav-flash/config.el

@@ -11,10 +11,11 @@
       counsel-grep-post-action-hook dumb-jump-after-jump-hook)
     #'+nav-flash/blink-cursor)
 
+  ;; `saveplace'
   (advice-add #'save-place-find-file-hook :after #'+nav-flash/blink-cursor)
 
-  (after! evil
-    (advice-add #'evil-window-top    :after #'+nav-flash/blink-cursor)
-    (advice-add #'evil-window-middle :after #'+nav-flash/blink-cursor)
-    (advice-add #'evil-window-bottom :after #'+nav-flash/blink-cursor)))
+  ;; `evil'
+  (advice-add #'evil-window-top    :after #'+nav-flash/blink-cursor)
+  (advice-add #'evil-window-middle :after #'+nav-flash/blink-cursor)
+  (advice-add #'evil-window-bottom :after #'+nav-flash/blink-cursor))
 

modules/ui/neotree/config.el

@@ -38,8 +38,8 @@
     `((side . ,neo-window-position) (size . ,neo-window-width))
     '((quit . current) (select . t)))
 
-  (when (bound-and-true-p winner-mode)
-    (push neo-buffer-name winner-boring-buffers))
+  (after! winner
+    (cl-pushnew neo-buffer-name winner-boring-buffers))
 
   ;; The cursor always sits at bol. `+neotree*fix-cursor' and
   ;; `+neotree*indent-cursor' change that behavior, so that the cursor is always

modules/ui/window-select/packages.el

@@ -2,10 +2,11 @@
 ;;; ui/window-select/packages.el
 
 (cond ((featurep! +switch-window)
-       ;; Install switch-window if the user indicated the '+switch-window' module flag
+       ;; Install switch-window if the user indicated the '+switch-window'
+       ;; module flag
        (package! switch-window))
       ((or (featurep! +ace-window) t)
-       ;; Install ace-window if the user selects the flag '+ace-window' or by default
-       ;; ... if the user did not specify a module flag
+       ;; Install ace-window if the user selects the flag '+ace-window' or by
+       ;; default ... if the user did not specify a module flag
        (package! ace-window)))