Use ilike operator for case insensitive searching

[MRichards99]

Description

This PR will close #731

This is just a search and replace PR to support case insensitive searching on ICAT instances that use Oracle DB (i.e. production).

I will make this 'ready to review' once Python ICAT 0.20.0 has been released and ral-facilities/datagateway-api#273 has been merged.

Testing instructions

Check that all instances of the like operator have been changed to ilike. I could only find instances of this operator in datagateway-common.

Test that filters etc. haven't been broken by this change

• Review code
• Check Actions build
• Review changes to test coverage

Agile board tracking

connect to #731

[codecov]

Codecov Report

Merging #891 (8534879) into master (7795715) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #891   +/-   ##
=======================================
  Coverage   98.47%   98.47%           
=======================================
  Files         121      121           
  Lines        5974     5974           
  Branches     1666     1666           
=======================================
  Hits         5883     5883           
  Misses         87       87           
  Partials        4        4           

Flag	Coverage Δ
common	98.62% <ø> (ø)
dataview	98.62% <ø> (ø)
download	97.48% <ø> (ø)
search	98.84% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
packages/datagateway-common/src/api/index.tsx	95.85% <ø> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 7795715...8534879. Read the comment docs.

[MRichards99]

As this issue only affects production ICATs, I have just tested this by spinning up a local DataGateway by using ISIS prod config pointing at my local DataGateway API which also points at ISIS prod. You can see this works on the right (my local instance) whereas it doesn't work on the left (current deployment of DataGateway ISIS, without this fix).

[MRichards99]

The CI failure on DataView e2e tests will be fixed once ral-facilities/datagateway-api#273 has been merged.

[MRichards99]

Making ready to review as the work on the API has been merged. I will re-run the CI on this PR to see if the DataView failures disappear.

[louise-davies]

Checked this out locally - it's great that this has been fixed 😁