Fix GL journal save, edit, detail view and list filters

Send journal lines, gl_id and list filters inside the ajax data payload where ajax_request reads them, select period when replacing a manual journal, and show ledger amounts to two decimals.

app/assets/utils/classes_ac/GlManager.php

@@ -81,7 +81,11 @@ class GlManager
         $now = date('Y-m-d H:i:s');
 
         $sth = $this->pdo->prepare(
-            "SELECT id, current_version, formula_id, history
+            // `period` is read below as $old_period to reverse the old ETL
+            // totals. It was missing from this list, so it was always null and
+            // upsertEtl(string $period) threw a TypeError — every edit of a
+            // manual journal ended in HTTP 500.
+            "SELECT id, current_version, formula_id, history, period
              FROM td_gl
              WHERE company_id = :cid AND id = :gl_id AND source_type = 'manual'
              FOR UPDATE"