Implemented burn authz handler

[miladz68]

Description

This PR intoruduces authz handler to grant burn athorization with quota.

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• Try to write more meaningful comments with clear actions to be taken.
• Nit-picking should be unblocking. Focus on core issues.

Authors checklist

• Provide a concise and meaningful description
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This change is 

[dzmitryhil]

Reviewable status: 0 of 7 files reviewed, 1 unresolved discussion (waiting on @keyleu, @miladz68, @wojtek-coreum, and @ysv)

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x/asset/ft/types/burn_authorization.go line 48 at r1 (raw file):

	}

	if !a.BurnLimit.IsAllPositive() {

Looks like IsAllPositive convers the len(a.BurnLimit) == 0 condition.

[miladz68]

Reviewable status: 0 of 7 files reviewed, 1 unresolved discussion (waiting on @dzmitryhil, @keyleu, @wojtek-coreum, and @ysv)

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x/asset/ft/types/burn_authorization.go line 48 at r1 (raw file):

Previously, dzmitryhil (Dzmitry Hil) wrote…

Looks like IsAllPositive convers the len(a.BurnLimit) == 0 condition.

But I don't check the length in validate basic.

[miladz68]

Reviewable status: 0 of 7 files reviewed, 1 unresolved discussion (waiting on @dzmitryhil, @keyleu, @wojtek-coreum, and @ysv)

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x/asset/ft/types/burn_authorization.go line 48 at r1 (raw file):

Previously, miladz68 (milad) wrote…

But I don't check the length in validate basic.

I see I do it for burn and not mint. Removed.

[dzmitryhil]

Reviewable status: 0 of 8 files reviewed, all discussions resolved (waiting on @keyleu, @wojtek-coreum, and @ysv)

[dzmitryhil]

Reviewed 6 of 7 files at r1, 2 of 2 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @keyleu, @wojtek-coreum, and @ysv)

[keyleu]

Reviewed 6 of 7 files at r1, 2 of 2 files at r2, 3 of 3 files at r3, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @wojtek-coreum and @ysv)

[dzmitryhil]

Reviewed 3 of 3 files at r3, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @wojtek-coreum and @ysv)