Expose Unicode normalization methods on Texts

[GregoryTravis]

Expose standard Java string Unicode normalization methods, in Text.

Motivation: the Truffle regex engine does not transparently handle Unicode normalization, so we should let users use it explicitly before using regex operations.

[enso-bot]

Greg Travis reports a new STANDUP for today (2023-07-31):

Progress: added normalization modes It should be finished by 2023-08-01.

Next Day: round builtin

[enso-bot]

Greg Travis reports a new 🔴 DELAY for today (2023-08-01):

Summary: There is 1 days delay in implementation of the Expose Unicode normalization methods on Texts (#6201) task.
It will cause 0 days delay for the delivery of this weekly plan.

Delay Cause: review

[enso-bot]

Greg Travis reports a new STANDUP for today (2023-08-01):

Progress: review; round builtin benchmarking; column round It should be finished by 2023-08-02.

Next Day: column round

[enso-bot]

Greg Travis reports a new 🔴 DELAY for today (2023-08-02):

Summary: There is 1 days delay in implementation of the Expose Unicode normalization methods on Texts (#6201) task.
It will cause 0 days delay for the delivery of this weekly plan.

Delay Cause: no widgets in IDE

[enso-bot]

Greg Travis reports a new STANDUP for today (2023-08-02):

Progress: convert to new benchmarks; try to get widgets to appear, again; two-level index approach in cross-tab It should be finished by 2023-08-03.

Next Day: try again to get widgets; finish two-level index and benchmark