fix: change default currency decimals for issue 26646

[ejwessel]

Description

Related issues

Fixes:
#26646

Manual testing steps

1. Select a token whose decimal() is 0 (ETH:0xaec2e87e0a235266d9c5adc9deb4b2e29b54d009)
2. Click Send and fill in the acceptance address
3. On the sending page, when filling in the sending amount, fill in a value less than the available balance or click the maximum button
4. confirm that max is correctly displayed and no error appears when selecting a value less than the available balance.

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Extension Coding Standards.
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[ejwessel]

Will make another bug for the send button balance equating to 0

[metamaskbot]

Builds ready [f27f091]

• builds: chrome, firefox
• builds (beta): chrome
• builds (flask): chrome, firefox
• builds (MMI): chrome, firefox
• builds (test): chrome, firefox
• builds (test-flask): chrome, firefox
• build viz: Build System
• mv3: Background Module Init Stats
• mv3: UI Init Stats
• mv3: Module Load Stats
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• code coverage: Report
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4, 5
  • common: 0, 1, 10, 11, 2, 3, 4, 5, 6, 7, 8, 9
  • content-script: 0
  • offscreen: 0
  • ui: 0, 1, 10, 11, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (1772 ± 79 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	242	2107	1701	372	179
		domContentLoaded	1524	2066	1747	157	75
		load	1553	2111	1772	165	79
		domInteractive	13	65	35	14	7

Bundle size diffs

• background: 0 Bytes (0.00%)
• ui: 40 Bytes (0.00%)
• common: 0 Bytes (0.00%)

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[metamaskbot]

Builds ready [e1eda3f]

• builds: chrome, firefox
• builds (beta): chrome
• builds (flask): chrome, firefox
• builds (MMI): chrome, firefox
• builds (test): chrome, firefox
• builds (test-flask): chrome, firefox
• build viz: Build System
• mv3: Background Module Init Stats
• mv3: UI Init Stats
• mv3: Module Load Stats
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• code coverage: Report
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4, 5
  • common: 0, 1, 10, 11, 2, 3, 4, 5, 6, 7, 8, 9
  • content-script: 0
  • offscreen: 0
  • ui: 0, 1, 10, 11, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (1962 ± 141 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	238	2710	1771	578	277
		domContentLoaded	1596	2699	1941	297	143
		load	1608	2709	1962	293	141
		domInteractive	15	183	44	37	18

Bundle size diffs

• background: 0 Bytes (0.00%)
• ui: 40 Bytes (0.00%)
• common: 0 Bytes (0.00%)

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 70.12%. Comparing base (5053c3e) to head (e1eda3f).
Report is 1 commits behind head on develop.

Files with missing lines	Patch %	Lines
ui/components/app/currency-input/currency-input.js	66.67%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #27074      +/-   ##
===========================================
- Coverage    70.12%   70.12%   -0.00%     
===========================================
  Files         1426     1426              
  Lines        49705    49707       +2     
  Branches     13905    13906       +1     
===========================================
+ Hits         34853    34854       +1     
- Misses       14852    14853       +1     

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[metamaskbot]

Missing release label release-12.5.0 on PR. Adding release label release-12.5.0 on PR and removing other release labels(release-12.6.0), as PR was added to branch 12.5.0 when release was cut.