Harmonize events.tsv files (add channel_id, fix event onsets across runs)

toy-dataset_patchclamp_single-record-per-file/sub-20220101A/ephys/sub-20220101A_sample-cell001_run-1_events.tsv

@@ -1,3 +1,3 @@
-onset	duration	trial_type	response_time	stim_type	stim_unit	stim_amplitude
-1.23	0.65	start	1.435	square pulse	1	mV
-5.65	0.65	stop	1.739	square pulse	5	mV
+onset	duration	trial_type	channel_id	response_time	stim_type	stim_unit	stim_amplitude
+1.23	0.65	start	chan-01	1.435	square pulse	1	mV
+5.65	0.65	stop	chan-02	1.739	square pulse	5	mV

toy-dataset_patchclamp_single-record-per-file/sub-20220101A/ephys/sub-20220101A_sample-cell001_run-2_events.tsv

@@ -1,3 +1,3 @@
-onset	duration	trial_type	response_time	stim_type	stim_unit	stim_amplitude
-6.21	0.65	start	2.43	square pulse	10	uA
-15.65	0.65	stop	5.68	square pulse	45	uA
+onset	duration	trial_type	channel_id	response_time	stim_type	stim_unit	stim_amplitude
+0.21	0.65	start	chan-01	2.43	square pulse	10	uA
+9.65	0.65	stop	chan-02	5.68	square pulse	45	uA

toy-dataset_patchclamp_single-record-per-file/sub-20220101B/ephys/sub-20220101B_sample-cell002_events.tsv

@@ -1,3 +1,3 @@
-onset	duration	trial_type	data_identity_id	channel_id	response_time	stim_type	stim_unit	stim_amplitude
-5	4	start	d7614bcb-8f7d-43e6-879e-877bf227687c	chan-01		2.5	square pulse	3	mV
-10	4	stop	0d6df00b-70c9-4785-bf0c-71a7acf39974	chan-01		2.5	square pulse	3	mV
+onset	duration	trial_type	channel_id	response_time	stim_type	stim_unit	stim_amplitude
+5	4	start	chan-01	2.5	square pulse	3	mV
+10	4	stop	chan-01	2.5	square pulse	3	mV

toy-dataset_patchclamp_single-record-per-file/sub-20220101B/ephys/sub-20220101B_sample-cell003_events.tsv

@@ -1,3 +1,3 @@
-onset	duration	trial_type	data_identity_id	channel_id	response_time	stim_type	stim_unit	stim_amplitude	
-15	4	start	025c20fc-05e6-401a-9620-95b5e9c9b4bc	chan-02		3	square	pulse	3.3	mV
-20	4	stop	1fad915b-c2c6-46aa-9755-a7454805f6fc	chan-02		3	square	pulse	3.3	mV
+onset	duration	trial_type	channel_id	response_time	stim_type	stim_unit	stim_amplitude	
+0	4	start	chan-02	3	square	pulse	3.3	mV
+5	4	stop	chan-02	3	square	pulse	3.3	mV