[feat] update navigation mode default to legacy and improve display name (#5181)

* [feat] update navigation mode default to legacy and improve display name

- Change defaultsByInstallVersion from 'standard' to 'legacy' for version 1.25.0
- Update legacy navigation display name from 'Left-Click Pan (Legacy)' to 'Drag Navigation'
- Maintains both navigation systems over long term while improving UX clarity

* Update locales [skip ci]

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Co-authored-by: github-actions <github-actions@github.com>

src/constants/coreSettings.ts

@@ -791,11 +791,11 @@ export const CORE_SETTINGS: SettingParams[] = [
     type: 'combo',
     options: [
       { value: 'standard', text: 'Standard (New)' },
-      { value: 'legacy', text: 'Left-Click Pan (Legacy)' }
+      { value: 'legacy', text: 'Drag Navigation' }
     ],
     versionAdded: '1.25.0',
     defaultsByInstallVersion: {
-      '1.25.0': 'standard'
+      '1.25.0': 'legacy'
     }
   },
   {