WIP: Use fetchSize, return next page instead of the current one

[ntaouros]

Fixes #2591

Problem

val queryToRun = quote {
      query[MY_TABLE]
    }

    val observable = ctx.stream(queryToRun, 10000) 

The above query would only fetch 5000 pages regardless of value of fetchSize provided.

That's because of 2 reasons:

• the fetchSize gets disregarded and the page size defaults to 5000
• when streaming the data the paging algorithm never returns the next page. It keeps returning the same page

Solution

• Take the fetchSize into account

• Return the next page instead of the current one

• Unit test all changes

• Update README.md if applicable

• Add [WIP] to the pull request title if it's work in progress

• Squash commits that aren't meaningful changes

• Run sbt scalariformFormat test:scalariformFormat to make sure that the source files are formatted

@getquill/maintainers

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❌ dionysios-ntaouros
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[guizmaii]

@ntaouros Can you rebase your PR, please?