[4.0] convert to prepared statements Viewlevels table

[alikon]

Summary of Changes

converted sql to prepared statements

Testing Instructions

• create viewlevels
• delete viewlevels
• modify viewlevels
• view viewlevels

Expected result

works as before

Actual result

N/A

[Quy]

I have tested this item ✅ successfully on c8c07c6

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[alikon]

the reason why drone still complains is above of my skills, i give up

[wilsonge]

Thanks!