feat(delayedack): added efficient query for pending packets by addr

[keruch]

Description

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Closes #1382

All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow-up issues.

PR review checkboxes:

I have...

• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md
• Targeted PR against the correct branch
• included the correct type prefix in the PR title
• Linked to the GitHub issue with discussion and accepted design
• Targets only one GitHub issue
• Wrote unit and integration tests
• Wrote relevant migration scripts if necessary
• All CI checks have passed
• Added relevant godoc comments
• Updated the scripts for local run, e.g genesis_config_commands.sh if the PR changes parameters
• Add an issue in the e2e-tests repo if necessary

SDK Checklist

• Import/Export Genesis
• Registered Invariants
• Registered Events
• Updated openapi.yaml
• No usage of go map
• No usage of time.Now()
• Used fixed point arithmetic and not float arithmetic
• Avoid panicking in Begin/End block as much as possible
• No unexpected math Overflow
• Used sendCoin and not SendCoins
• Out-of-block compute is bounded
• No serialized ID at the end of store keys
• UInt to byte conversion should use BigEndian

Full security checklist here

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For Reviewer:

• Confirmed the correct type prefix in the PR title
• Reviewers assigned
• Confirmed all author checklist items have been addressed

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After reviewer approval:

• In case the PR targets the main branch, PR should not be squash merge in order to keep meaningful git history.
• In case the PR targets a release branch, PR must be rebased.

[codecov]

Codecov Report

Attention: Patch coverage is 53.68421% with 44 lines in your changes missing coverage. Please review.

Project coverage is 23.04%. Comparing base (0a553f9) to head (f646b28).
Report is 20 commits behind head on main.

Files with missing lines	Patch %	Lines
x/delayedack/keeper/rollapp_packet.go	59.61%	14 Missing and 7 partials ⚠️
x/delayedack/ibc_middleware.go	33.33%	8 Missing and 4 partials ⚠️
x/delayedack/genesis.go	16.66%	4 Missing and 1 partial ⚠️
x/delayedack/client/cli/query.go	0.00%	3 Missing ⚠️
x/delayedack/types/query.pb.go	0.00%	2 Missing ⚠️
x/delayedack/keeper/grpc_query.go	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1385      +/-   ##
==========================================
- Coverage   23.71%   23.04%   -0.68%     
==========================================
  Files         553      562       +9     
  Lines      117635   122365    +4730     
==========================================
+ Hits        27903    28195     +292     
- Misses      85941    90378    +4437     
- Partials     3791     3792       +1     

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