feat: Add floor limit to assetManager

[AntonAndell]

Allow time rate limits on withdrawal of assets.

[codecov]

Codecov Report

Attention: Patch coverage is 90.35533% with 19 lines in your changes are missing coverage. Please review.

Project coverage is 91.90%. Comparing base (811d521) to head (8c08f97).

❗ Current head 8c08f97 differs from pull request most recent head 0d56698. Consider uploading reports for the commit 0d56698 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #61      +/-   ##
==========================================
- Coverage   92.07%   91.90%   -0.17%     
==========================================
  Files          20       21       +1     
  Lines        2132     2323     +191     
==========================================
+ Hits         1963     2135     +172     
- Misses        169      188      +19     

Flag	Coverage Δ
rust	91.90% <90.35%> (-0.17%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
...ts/core-contracts/cw-asset-manager/src/contract.rs	93.93% <100.00%> (+0.67%)	⬆️
...racts/core-contracts/cw-asset-manager/src/error.rs	25.00% <ø> (ø)
...racts/core-contracts/cw-xcall-manager/src/error.rs	25.00% <ø> (ø)
contracts/cw-common/src/asset_manager_msg.rs	37.50% <ø> (ø)
contracts/cw-common/src/xcall_manager_msg.rs	88.88% <ø> (ø)
contracts/cw-common/src/rate_limit.rs	96.07% <96.07%> (ø)
contracts/cw-common/src/helpers.rs	85.29% <56.25%> (-8.94%)	⬇️
...ts/core-contracts/cw-xcall-manager/src/contract.rs	88.03% <54.54%> (-3.95%)	⬇️

[ibrizsabin]

looks good.