Clear localStorage settings on logout

www/common/outer/local-store.js

@@ -109,6 +109,13 @@ define([
             delete localStorage[k];
             delete sessionStorage[k];
         });
+        try {
+            Object.keys(localStorage || {}).forEach(function (k) {
+                // Remvoe everything in localStorage except CACHE and FS_hash
+                if (/^CRYPTPAD_CACHE/.test(k) || /^LESS_CACHE/.test(k) || k === Constants.fileHashKey) { return; }
+                delete localStorage[k];
+            });
+        } catch (e) { console.error(e); }
         LocalStore.clearThumbnail();
         // Make sure we have an FS_hash in localStorage before reloading all the tabs
         // so that we don't end up with tabs using different anon hashes