Use originated time instead for MRT TableDump (v2) messages

[ties]

Use the originated time instead of the MRT header time when processing MRT TableDump (v2) messages into BgpElem in Elementor.

Fixes #251

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.91%. Comparing base (0453969) to head (3927066).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #252      +/-   ##
==========================================
+ Coverage   90.87%   90.91%   +0.03%     
==========================================
  Files          80       80              
  Lines       12588    12588              
==========================================
+ Hits        11439    11444       +5     
+ Misses       1149     1144       -5     

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[ties]

Looking at a parquet file processed using this branch of bgpkit-parser, the file contains the dates of the restarts of the various collectors as lower bound for the timestamp, and has an upper bound right before the snapshot was made.

D select min(ts), max(ts), collector from '20251011.0000-bview-all-collectors.parquet' group by all order by 3;
┌─────────────────────┬─────────────────────┬───────────┐
│       min(ts)       │       max(ts)       │ collector │
│      timestamp      │      timestamp      │  varchar  │
├─────────────────────┼─────────────────────┼───────────┤
│ 2025-06-18 10:50:44 │ 2025-10-10 23:59:59 │ rrc00     │
│ 2025-06-26 09:25:05 │ 2025-10-10 23:59:59 │ rrc01     │
│ 2025-06-19 09:24:45 │ 2025-10-10 23:59:59 │ rrc03     │
│ 2025-07-22 11:43:19 │ 2025-10-10 23:59:59 │ rrc04     │
│ 2025-06-05 09:40:50 │ 2025-10-10 23:59:59 │ rrc05     │
│ 2025-08-27 07:58:01 │ 2025-10-10 23:59:59 │ rrc06     │
│ 2025-08-08 12:13:42 │ 2025-10-10 23:59:59 │ rrc07     │
│ 2025-06-12 09:35:10 │ 2025-10-10 23:59:59 │ rrc10     │
│ 2025-06-11 10:26:18 │ 2025-10-10 23:59:59 │ rrc11     │
│ 2025-06-26 12:10:51 │ 2025-10-10 23:59:59 │ rrc12     │
│ 2025-06-26 09:53:30 │ 2025-10-10 23:59:59 │ rrc13     │
│ 2025-07-22 12:21:26 │ 2025-10-10 23:59:59 │ rrc14     │
│ 2025-09-01 14:36:33 │ 2025-10-10 23:59:59 │ rrc15     │
│ 2025-06-25 10:13:47 │ 2025-10-10 23:59:59 │ rrc16     │
│ 2025-06-10 10:06:58 │ 2025-10-10 23:59:51 │ rrc18     │
│ 2025-08-07 09:02:44 │ 2025-10-10 23:59:59 │ rrc19     │
│ 2025-08-08 11:54:44 │ 2025-10-10 23:59:59 │ rrc20     │
│ 2025-08-07 09:34:30 │ 2025-10-10 23:59:59 │ rrc21     │
│ 2025-08-28 21:11:12 │ 2025-10-10 23:59:59 │ rrc22     │
│ 2025-07-22 12:29:43 │ 2025-10-10 23:59:59 │ rrc23     │
│ 2025-09-07 16:49:00 │ 2025-10-10 23:59:59 │ rrc24     │
│ 2025-08-07 11:24:13 │ 2025-10-10 23:59:59 │ rrc25     │
│ 2025-07-22 11:49:17 │ 2025-10-10 23:59:59 │ rrc26     │
├─────────────────────┴─────────────────────┴───────────┤
│ 23 rows                                     3 columns │
└───────────────────────────────────────────────────────┘