Add a replaceColumn method to Page

[elharo]

Description

Replace a column (block) in a page with a new column/bliock.

Motivation and Context

#22078 For row IDs we need to replace a row number block with a row ID block. however the functionality seems generally useful and has no particular dependence on row IDs.

Impact

Add new replaceColumn method to com.facebook.common.Page

Test Plan

Added unit tests to TestPage class

Contributor checklist

• Please make sure your submission complies with our development, formatting, commit message, and attribution guidelines.
• PR description addresses the issue accurately and concisely. If the change is non-trivial, a GitHub Issue is referenced.
• Documented new properties (with its default value), SQL syntax, functions, or other functionality.
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• Adequate tests were added if applicable.
• CI passed.

Release Notes

== RELEASE NOTES ==

SPI
* com.facebook.common.Page has a new replaceColumn method.

[steveburnett]

Nit: suggest revising the release note entry to follow the Order of changes in the release note guidelines.

Maybe:

== RELEASE NOTES ==

General Changes
* Add new replaceColumn method to com.facebook.common.Page

[sdruzkin]

Replace: New column does not have same number of rows as old column -> New block does not have the same number of rows as the page

Technically current page implementation allows to have blocks with different number of rows, but I think it's ok to enforce this constraint.

[elharo]

appendColumn and prependColumn do check for this though interestingly, as you point out, the constructor does not.

[sdruzkin]

Check and throw if the channelIndex is invalid

[elharo]

There are unit tests that verify the correct exception is thrown in this case.

[rschlussel]

For the release note, it should be in a section titled SPI.