feat: Add sender to fungible_token_packet events (backport #1414)

[mergify]

This is an automatic backport of pull request #1414 done by Mergify.
Cherry-pick of f05a7cf has failed:

On branch mergify/bp/release/v2.1.x/pr-1414
Your branch is up to date with 'origin/release/v2.1.x'.

You are currently cherry-picking commit f05a7cf.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by us:   modules/apps/transfer/ibc_module.go

no changes added to commit (use "git add" and/or "git commit -a")

Cherry-pick of c809c51 has failed:

On branch mergify/bp/release/v2.1.x/pr-1414
Your branch is ahead of 'origin/release/v2.1.x' by 1 commit.
  (use "git push" to publish your local commits)

You are currently cherry-picking commit c809c51.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   CHANGELOG.md

no changes added to commit (use "git add" and/or "git commit -a")

Cherry-pick of d8be3d0 has failed:

On branch mergify/bp/release/v2.1.x/pr-1414
Your branch is ahead of 'origin/release/v2.1.x' by 2 commits.
  (use "git push" to publish your local commits)

You are currently cherry-picking commit d8be3d0.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   CHANGELOG.md

no changes added to commit (use "git add" and/or "git commit -a")

Cherry-pick of 46d73a0 has failed:

On branch mergify/bp/release/v2.1.x/pr-1414
Your branch is ahead of 'origin/release/v2.1.x' by 3 commits.
  (use "git push" to publish your local commits)

You are currently cherry-picking commit 46d73a0.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   CHANGELOG.md

no changes added to commit (use "git add" and/or "git commit -a")

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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