Lint extensions/ and wrap up hanging frontend dirs

fs/, format/ and logseq/ also added to linting by adding todos for later
inspection

src/main/frontend/components/plugins.cljs

@@ -654,7 +654,7 @@
 
           :disabled
           (or downloading?
-              (and (not (empty? unchecked))
+              (and (seq unchecked)
                    (= (count unchecked) (count updates)))))])]))
 
 (defn open-select-theme!