feat: improve render blank lines breakpoints

[Ricbet]

Types

• 💄 Style Changes

Background or solution

🤖 Generated by Copilot at ed951d4

• Add a new CSS class blank to style blank breakpoints (link)
• Extract a new function renderDescription to return a span element with the breakpoint description or a placeholder text (link)
• Use renderDescription to render the breakpoint description in the BreakpointItem component (link)
• Add a new localization key debug.breakpoint.blank and its values for English and Chinese languages (link, link)

Changelog

🤖 Generated by Copilot at ed951d4

This pull request improves the display of breakpoints in the debug view by adding a placeholder description for blank breakpoints and localizing the description text. It affects the files debug-breakpoints.view.tsx, debug-breakpoints.module.less, and the language files en-US.lang.ts and zh-CN.lang.ts.

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (2eaedf2) 57.64% compared to head (5c82d15) 57.65%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2832   +/-   ##
=======================================
  Coverage   57.64%   57.65%           
=======================================
  Files        1336     1336           
  Lines       83949    83949           
  Branches    17456    17456           
=======================================
+ Hits        48395    48401    +6     
+ Misses      32317    32312    -5     
+ Partials     3237     3236    -1     

Flag	Coverage Δ
jsdom	52.68% <ø> (+<0.01%)	⬆️
node	16.78% <ø> (ø)

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

Impacted Files	Coverage Δ
packages/i18n/src/common/en-US.lang.ts	100.00% <ø> (ø)
packages/i18n/src/common/zh-CN.lang.ts	100.00% <ø> (ø)

... and 2 files with indirect coverage changes

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