implement config override on load

[ljeub-pometry]

What changes were proposed in this pull request?

Why are the changes needed?

Does this PR introduce any user-facing change? If yes is this documented?

How was this patch tested?

Are there any further changes required?

[github-actions]

⚠️ Performance Alert ⚠️

Possible performance regression was detected for benchmark 'Rust Benchmark'.
Benchmark result of this commit is worse than the previous benchmark result exceeding threshold 2.

Benchmark suite	Current: a3a1697	Previous: b4ca25f	Ratio
lotr_graph/num_edges	4 ns/iter (± 0)	0 ns/iter (± 0)	+∞
lotr_graph/num_nodes	396 ns/iter (± 1)	1 ns/iter (± 0)	396
lotr_graph/graph_latest	3 ns/iter (± 0)	0 ns/iter (± 0)	+∞
lotr_graph_materialise/materialize	9392151 ns/iter (± 97140)	1502292 ns/iter (± 5117)	6.25
lotr_graph_window_100/num_edges	28 ns/iter (± 0)	9 ns/iter (± 0)	3.11
lotr_graph_window_100/num_nodes	419 ns/iter (± 10)	5 ns/iter (± 0)	83.80
lotr_graph_window_100_materialise/materialize	9651725 ns/iter (± 62255)	1676712 ns/iter (± 4546)	5.76
lotr_graph_window_10/has_node_existing	129 ns/iter (± 7)	61 ns/iter (± 10)	2.11
lotr_graph_window_10/iterate nodes	35217 ns/iter (± 226)	10131 ns/iter (± 24)	3.48
lotr_graph_window_10/iterate edges	104548 ns/iter (± 337)	44710 ns/iter (± 254)	2.34
lotr_graph_window_10_materialise/materialize	6186986 ns/iter (± 89992)	1018583 ns/iter (± 5491)	6.07
lotr_graph_subgraph_10pc/has_edge_existing	521 ns/iter (± 4)	88 ns/iter (± 1)	5.92
lotr_graph_subgraph_10pc/num_nodes	309 ns/iter (± 0)	4 ns/iter (± 0)	77.25
lotr_graph_subgraph_10pc/has_node_existing	244 ns/iter (± 2)	34 ns/iter (± 0)	7.18
lotr_graph_subgraph_10pc/iterate nodes	4608 ns/iter (± 16)	830 ns/iter (± 1)	5.55
lotr_graph_subgraph_10pc_windowed/has_node_existing	129 ns/iter (± 10)	60 ns/iter (± 14)	2.15
lotr_graph_subgraph_10pc_windowed/iterate nodes	4392 ns/iter (± 205)	1364 ns/iter (± 3)	3.22
lotr_graph_window_50_layered/num_edges	79299 ns/iter (± 3504)	39375 ns/iter (± 959)	2.01
lotr_graph_window_50_layered/num_nodes	105657 ns/iter (± 14349)	22315 ns/iter (± 2848)	4.73
lotr_graph_window_50_layered/has_node_existing	1403 ns/iter (± 192)	133 ns/iter (± 14)	10.55
lotr_graph_window_50_layered/max_id	119022 ns/iter (± 4009)	27916 ns/iter (± 798)	4.26
lotr_graph_window_50_layered/max_degree	1983991 ns/iter (± 18598)	293790 ns/iter (± 11518)	6.75
lotr_graph_window_50_layered/iterate nodes	240851 ns/iter (± 2065)	16652 ns/iter (± 132)	14.46
lotr_graph_window_50_layered/iterate edges	210499 ns/iter (± 825)	83313 ns/iter (± 309)	2.53
lotr_graph_window_50_layered/max_neighbour_degree	3632180 ns/iter (± 21665)	400729 ns/iter (± 996)	9.06
lotr_graph_window_50_layered/graph_latest	186680 ns/iter (± 14068)	37335 ns/iter (± 1538)	5.00
lotr_graph_window_50_layered_materialise/materialize	20119637 ns/iter (± 355849)	3420109 ns/iter (± 20614)	5.88
lotr_graph_persistent_window_50_layered/num_edges_temporal	590214 ns/iter (± 3172)	203169 ns/iter (± 2099)	2.91
lotr_graph_persistent_window_50_layered/num_nodes	140513 ns/iter (± 1727)	32915 ns/iter (± 772)	4.27
lotr_graph_persistent_window_50_layered/has_node_existing	1831 ns/iter (± 467)	174 ns/iter (± 85)	10.52
lotr_graph_persistent_window_50_layered/max_id	155424 ns/iter (± 2855)	40474 ns/iter (± 1568)	3.84
lotr_graph_persistent_window_50_layered/max_degree	2757254 ns/iter (± 16946)	457295 ns/iter (± 7503)	6.03
lotr_graph_persistent_window_50_layered/iterate nodes	339409 ns/iter (± 1028)	35373 ns/iter (± 119)	9.60
lotr_graph_persistent_window_50_layered/max_neighbour_degree	5090549 ns/iter (± 11864)	508683 ns/iter (± 1415)	10.01
lotr_graph_persistent_window_50_layered/graph_latest	283761 ns/iter (± 11641)	59291 ns/iter (± 2250)	4.79
lotr_graph_persistent_window_50_layered_materialise/materialize	48896343 ns/iter (± 883031)	5294480 ns/iter (± 182613)	9.24
lotr_graph/proto_decode	9647930 ns/iter (± 60306)	1954083 ns/iter (± 33467)	4.94
lotr_graph/proto_encode	9225215 ns/iter (± 49332)	1193694 ns/iter (± 43350)	7.73

This comment was automatically generated by workflow using github-action-benchmark.

[fabubaker]

LGTM besides some minor nits.