Fix limit bug when async update occurs

[mirkobeine]

When having 0 rendered suggestions, a limit of 5 and a suggestions array with length of 5, nothing will be rendered. This is due to the fact that the "rendered" variable is updated before the suggestions are sliced. With the given PR, everything works as expected.

[MrCsabaToth]

We experienced this bug too. Why is this not merged yet?

[parrin]

+1 same error here.

On limit 5 the suggestions.length of 3, 4 and 5 will not work properly. Length 1 and 2 seem to work accidentally

Workaround could be increasing the limit.

[MerickOWA]

+1

Same issues as #1499 #1497 #1485

I hope this gets fixed soon

[timothyblam]

+1

The commit is identical to the solution I implemented before finding this PR.

[Carscafmoo]

+1

[ypnos-web]

+1 solves the problem I observed

[kmussel]

+1

[CLAassistant]

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[MrCsabaToth]

"Mirko Beine seems not to be a GitHub user." vs. https://github.com/mirkobeine ? The CLA bot went kookoo?