Protect users table on reset, fix a few data management bugs, improve state and progress display

inventory-server/scripts/reset-db.js

@@ -155,6 +155,7 @@ async function resetDatabase() {
             SELECT GROUP_CONCAT(table_name) as tables 
             FROM information_schema.tables 
             WHERE table_schema = DATABASE()
+            AND table_name != 'users'
         `);
 
         if (!tables[0].tables) {
@@ -173,6 +174,7 @@ async function resetDatabase() {
                 DROP TABLE IF EXISTS 
                 ${tables[0].tables
                     .split(',')
+                    .filter(table => table !== 'users')
                     .map(table => '`' + table + '`')
                     .join(', ')}
             `;