test: handle liquid staked coins in sim; update sim ops

[MSalopek]

While testing gaia integration with a cosmos-sdk branch/PR containing LSM functionality it was discovered that some non-determinism tests on gaia started failing.

Upon further inspection it was noted that the simtypes.RandFees() function sometimes tries to use the liquid staked token as a fee denomination.

I am unsure wether that's the correct behaviour, but I am suspecting it is not.

The issue is mainly concerning testing and simulations and was caught because gaia implements an AnteHandler that restricts the types of coins that can be used as fee denoms.

There was also a small inconsistency in SimulateMsgTokenizeShares which I addressed.

Reference to gaia PR with the LSM-ICS integration:

• deps!: use cosmos-sdk v0.45.16-lsm-ics cosmos/gaia#2643

Please let me know if you find these changes acceptable or want further changes made.

• Targeted PR against correct branch (see CONTRIBUTING.md)

• Linked to github-issue with discussion and accepted design OR link to spec that describes this work.

• Wrote tests

• Updated relevant documentation (docs/)

• Added entries in PENDING.md with issue #

• rereviewed Files changed in the github PR explorer

---

For Admin Use:

• Added appropriate labels to PR (ex. wip, ready-for-review, docs)
• Reviewers Assigned
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)

[sampocs]

lgtm, thanks for tackling this!