QP: Repair edit_date, create_date, and bib_source filters

QP: Repair edit_date, create_date, and bib_source filters

And also make records undeletable, where reingestion at undelete time
formerly balked in this manner:

> ERROR: duplicate key value violates unique constraint
> "record_attr_pkey" DETAIL: Key (id)=(1) already exists. CONTEXT: SQL
> statement "INSERT INTO metabib.record_attr (id, attrs) VALUES (NEW.id,
> new_attrs)" PL/pgSQL function "indexing_ingest_or_delete" line 129 at
> SQL statement

Signed-off-by: Lebbeous Fogle-Weekley <lebbeous@esilibrary.com>