output irrelevant docs in FTS

[acquamarin]

This PR changes the output of FTS to output irrelevant docs(docs with null score) as well.
This makes our fts output consistent with duckdb.

[github-actions]

Benchmark Result

Master commit hash: d5acb796e384d3de68e7be15f6ba5c0ef6bcdc64
Branch commit hash: ef08f3dcef539be472c267e96c411f4756eea34a

Query Group	Query Name	Mean Time - Commit (ms)	Mean Time - Master (ms)	Diff
aggregation	q24	653.36	655.32	-1.96 (-0.30%)
aggregation	q28	11468.65	11494.18	-25.53 (-0.22%)
filter	q14	135.47	138.10	-2.63 (-1.90%)
filter	q15	136.65	139.28	-2.63 (-1.89%)
filter	q16	311.45	317.88	-6.43 (-2.02%)
filter	q17	453.65	454.64	-0.99 (-0.22%)
filter	q18	1969.85	1954.54	15.31 (0.78%)
filter	zonemap-node	97.42	99.50	-2.08 (-2.09%)
filter	zonemap-node-lhs-cast	96.81	97.78	-0.96 (-0.99%)
filter	zonemap-node-null	92.87	94.18	-1.31 (-1.40%)
filter	zonemap-rel	5675.56	5740.84	-65.29 (-1.14%)
fixed_size_expr_evaluator	q07	590.81	564.24	26.57 (4.71%)
fixed_size_expr_evaluator	q08	831.79	810.79	21.00 (2.59%)
fixed_size_expr_evaluator	q09	826.15	809.95	16.20 (2.00%)
fixed_size_expr_evaluator	q10	249.41	244.92	4.49 (1.83%)
fixed_size_expr_evaluator	q11	241.64	239.03	2.61 (1.09%)
fixed_size_expr_evaluator	q12	239.30	234.93	4.37 (1.86%)
fixed_size_expr_evaluator	q13	1497.83	1469.46	28.37 (1.93%)
fixed_size_seq_scan	q23	121.00	116.99	4.02 (3.43%)
join	q29	607.69	599.57	8.11 (1.35%)
join	q30	9857.85	11008.46	-1150.61 (-10.45%)
join	q31	4.43	5.94	-1.51 (-25.44%)
join	SelectiveTwoHopJoin	53.27	55.58	-2.31 (-4.16%)
ldbc_snb_ic	q35	2609.27	2676.02	-66.74 (-2.49%)
ldbc_snb_ic	q36	468.57	473.46	-4.89 (-1.03%)
ldbc_snb_is	q32	5.75	5.63	0.12 (2.07%)
ldbc_snb_is	q33	11.91	13.35	-1.45 (-10.82%)
ldbc_snb_is	q34	1.19	1.20	-0.01 (-1.03%)
multi-rel	multi-rel-large-scan	1340.42	1300.67	39.75 (3.06%)
multi-rel	multi-rel-lookup	33.66	34.51	-0.85 (-2.46%)
multi-rel	multi-rel-small-scan	74.69	83.97	-9.28 (-11.05%)
order_by	q25	137.99	144.88	-6.89 (-4.76%)
order_by	q26	475.21	482.19	-6.98 (-1.45%)
order_by	q27	1462.76	1492.70	-29.94 (-2.01%)
recursive_join	recursive-join-bidirection	273.59	283.60	-10.01 (-3.53%)
recursive_join	recursive-join-dense	7310.21	5441.75	1868.46 (34.34%)
recursive_join	recursive-join-path	23779.59	23804.62	-25.03 (-0.11%)
recursive_join	recursive-join-sparse	1059.15	1064.18	-5.04 (-0.47%)
recursive_join	recursive-join-trail	7294.29	6066.14	1228.15 (20.25%)
scan_after_filter	q01	177.32	178.64	-1.31 (-0.73%)
scan_after_filter	q02	164.41	164.87	-0.45 (-0.27%)
shortest_path_ldbc100	q37	90.22	101.96	-11.75 (-11.52%)
shortest_path_ldbc100	q38	325.83	339.09	-13.26 (-3.91%)
shortest_path_ldbc100	q39	65.55	66.28	-0.73 (-1.10%)
shortest_path_ldbc100	q40	449.34	355.23	94.11 (26.49%)
var_size_expr_evaluator	q03	2071.83	2056.20	15.63 (0.76%)
var_size_expr_evaluator	q04	2249.99	2237.42	12.57 (0.56%)
var_size_expr_evaluator	q05	2635.51	2626.86	8.66 (0.33%)
var_size_expr_evaluator	q06	1341.27	1354.91	-13.65 (-1.01%)
var_size_seq_scan	q19	1450.83	1468.18	-17.36 (-1.18%)
var_size_seq_scan	q20	2622.06	2604.30	17.76 (0.68%)
var_size_seq_scan	q21	2276.09	2309.84	-33.74 (-1.46%)
var_size_seq_scan	q22	128.57	132.66	-4.09 (-3.08%)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.17%. Comparing base (d5acb79) to head (000e95c).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #4694   +/-   ##
=======================================
  Coverage   86.17%   86.17%           
=======================================
  Files        1375     1375           
  Lines       58491    58491           
  Branches     7221     7220    -1     
=======================================
  Hits        50407    50407           
  Misses       7920     7920           
  Partials      164      164           

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