fix: display chart when tickCurrent is zero

[malijss]

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Description

Updated the getActiveTick condition to recognize 0 as an acceptable tickAmount. This state can occur frequently when stable pools have a currentTick of zero.

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Codecov Report

Merging #7507 (e8b3db4) into main (6798bf3) will decrease coverage by 0.11%. Report is 57 commits behind head on main. The diff coverage is 0.00%.

Flag	Coverage Δ
cloud-tests	?
unit-tests	43.12% <0.00%> (-0.01%)	:arrow_down:

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[natew]

!= null is a good way for us to standardize on as a check if something is anything except null/undefined (but wont remove 0, empty string etc).