feat: show MiB unit label next to size-based admin settings inputs

[xuang7]

What changes were proposed in this PR?

This PR adds an inline MiB unit label next to the size-based input boxes in the Admin Settings page, so the unit is visible at a glance without reading the help text below.

Demo:

Any related issues, documentation, discussions?

Closes #5065

How was this PR tested?

Manually tested.

Was this PR authored or co-authored using generative AI tooling?

Generated-by: Claude Opus 4.7

[codecov-commenter]

Codecov Report

❌ Patch coverage is 80.00000% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 42.87%. Comparing base (9422def) to head (1390c04).

Files with missing lines	Patch %	Lines
...onent/admin/settings/admin-settings.component.html	80.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #5066      +/-   ##
============================================
- Coverage     43.18%   42.87%   -0.31%     
+ Complexity     2209     2205       -4     
============================================
  Files          1045     1045              
  Lines         40262    40121     -141     
  Branches       4251     4239      -12     
============================================
- Hits          17387    17202     -185     
- Misses        21803    21859      +56     
+ Partials       1072     1060      -12     

Flag	Coverage Δ		*Carryforward flag
access-control-service	39.53% <ø> (ø)		Carriedforward from f2355df
agent-service	33.72% <ø> (ø)		Carriedforward from f2355df
amber	43.71% <ø> (-0.14%)	⬇️	Carriedforward from f2355df
computing-unit-managing-service	0.00% <ø> (ø)		Carriedforward from f2355df
config-service	0.00% <ø> (ø)		Carriedforward from f2355df
file-service	32.18% <ø> (ø)		Carriedforward from f2355df
frontend	34.08% <80.00%> (+<0.01%)	⬆️
python	89.14% <ø> (-1.35%)	⬇️	Carriedforward from f2355df
workflow-compiling-service	47.72% <ø> (-9.10%)	⬇️	Carriedforward from f2355df

*This pull request uses carry forward flags. Click here to find out more.

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[Ma77Ball]

Do we use Mib or Mb? This design choice may confuse users. We should convert to MB in the future.

[xuang7]

Do we use Mib or Mb? This design choice may confuse users. We should convert to MB in the future.

Currently we use MiB, following AWS conventions. We may convert to MB in the future if needed.

[Yicong-Huang]

I didn't check details of the change yet. Could you please make coverage happy? We need to include more tests than manually doing so.