Website crashes with OOM when reviewing west nile as ingest user due to 16k errored sequences

[anna-parker]

Clicking on the west nile page submission page as a curator a couple times takes down the webpage

[corneliusroemer]

│ <--- Last few GCs --->                                                                                                                                                  │
│                                                                                                                                                                         │
│ [1:0x7fac12a3b000]  4710616 ms: Scavenge (interleaved) 489.7 (521.1) -> 489.4 (521.1) MB, pooled: 0 MB, 7.68 / 0.00 ms  (average mu = 0.471, current mu = 0.560) alloca │
│ [1:0x7fac12a3b000]  4710627 ms: Scavenge (interleaved) 490.4 (521.1) -> 490.2 (525.1) MB, pooled: 0 MB, 7.87 / 0.00 ms  (average mu = 0.471, current mu = 0.560) alloca │
│                                                                                                                                                                         │
│                                                                                                                                                                         │
│ <--- JS stacktrace --->                                                                                                                                                 │
│                                                                                                                                                                         │
│ FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory                                                                                       │
│ ----- Native stack trace -----

[theosanderson]

Closing in favour of #3031 if that's OK (with this issue still useful to capture the detail)