[4.2] Post-installation messages UX #38064 code optimization

[heelc29]

Pull Request for PR #38064 .

Summary of Changes

• Use short array syntax [4.2] Post-installation messages UX #38064 (comment)
• Replace deprecated method getDbo() by getDatabase() [4.2] Replace deprecated method getDbo() by getDatabase() #38023
• Replace where with whereIn in database query

Testing Instructions

Test the function of buttons at post-installation messages

Actual result BEFORE applying this Pull Request

use of deprecated function

Expected result AFTER applying this Pull Request

code optimization

[Quy]

I have tested this item ✅ successfully on c15691a

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[alikon]

I have tested this item ✅ successfully on c15691a

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[alikon]

RTC

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[roland-d]

Thanks everybody