[$50] Disable the phase inputs for finished phases

[jmgasper]

Expected behavior

When a challenge is active and a phase has completed, we should disable that input for the phase dates, since updating it won't have any effect. The user should only be able to edit the current phase(s) and any subsequent phases, no previous phases.

Screenshot/screencast

[maxceem]

Challenge https://www.topcoder.com/challenges/a4167881-007d-4980-8f2e-198237d598d5 has been created for this ticket.

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[maxceem]

Challenge https://www.topcoder.com/challenges/a4167881-007d-4980-8f2e-198237d598d5 has been assigned to nursoltan-s.

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[nursoltan-s]

Hi @jmgasper
Can you please check this PR:
#1330

Logic here is to findIndex of active phase and check if current phase index is less than active phase's index

[jmgasper]

@nursoltan-s - Looks good, thanks! I tested with a few in dev.

[nursoltan-s]

@jmgasper Ok. I will push next issue soon.

[maxceem]

Payment task has been updated: https://www.topcoder.com/challenges/a4167881-007d-4980-8f2e-198237d598d5
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[sdgun]

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