fix: associations query limit on select options

[thiagoyoussef]

Description

Fixes #2406

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works

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[Paul-Bob]

The query.all.count will perform sub-optimal on large datasets

From this stackoverflow thread:

I just ran into a situation where a table of 1.3 million rows was taking about 35 seconds to perform a simple SELECT COUNT(*).

For our table with 20M records, it took 4 minutes.

Instead, I suggest fetching records with the defined limit, then checking the size of the retrieved dataset. If the result size matches the limit, two scenarios are likely:

• There are more records beyond the limit (most probable).
• The limit precisely matches the total record count (less less less probable).

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Let's discuss the option name and the default limit.

Otherwise this PR looks good! Thank you @thiagoyoussef