fix: correct GHZ to GHz casing in WiFi channel labels

[AustinChangLinksys]

Summary

• Fix incorrect uppercase GHZ to standard GHz (gigahertz) casing across all WiFi channel frequency labels in wifi_term_titles.dart
• Affects 2.4 GHz, 5 GHz, and 6 GHz band channel display strings (180 occurrences)

Test plan

• Verify WiFi channel labels display correctly with GHz casing in WiFi settings UI
• Check all radio bands (2.4 GHz, 5 GHz, 6 GHz) channel dropdowns

🤖 Generated with Claude Code

[qodo-code-review]

Review Summary by Qodo

Fix incorrect GHZ to GHz casing in WiFi channel labels

🐞 Bug fix

Walkthroughs

Description

• Corrects incorrect GHZ casing to standard GHz across WiFi channel labels
• Updates 180 occurrences in getWifiChannelTitle() function
• Affects 2.4 GHz, 5 GHz, and 6 GHz band channel display strings

Diagram

flowchart LR
  A["WiFi Channel Labels<br/>with GHZ casing"] -- "Replace all<br/>GHZ → GHz" --> B["Corrected Labels<br/>with GHz casing"]

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File Changes

1. lib/page/wifi_settings/views/wifi_term_titles.dart 🐞 Bug fix +180/-180

Standardize GHz casing in all WiFi channel labels

• Corrects casing of frequency unit from GHZ to GHz in 180 channel label strings
• Updates all WiFi channel cases (1-229) across 2.4 GHz, 5 GHz, and 6 GHz bands
• Maintains all channel numbers and frequency values unchanged
• Ensures consistent and standards-compliant unit notation in UI display strings

lib/page/wifi_settings/views/wifi_term_titles.dart

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[PeterJhongLinksys]

Looks good.