fix(ui): playlist details overflow in spotify-based themes (#4184)

* test: ensure playlist details width

* fix(test): simplify expectation for minWidth in NDPlaylistDetails

Signed-off-by: Deluan <deluan@navidrome.org>

* fix(test): test all themes

Signed-off-by: Deluan <deluan@navidrome.org>

---------

Signed-off-by: Deluan <deluan@navidrome.org>

ui/src/themes/nord.js

@@ -259,7 +259,6 @@ export default {
       },
       details: {
         fontSize: '.875rem',
-        minWidth: '75vw',
         color: 'rgba(255,255,255, 0.8)',
       },
     },

ui/src/themes/spotify.js

@@ -204,7 +204,6 @@ export default {
       },
       details: {
         fontSize: '.875rem',
-        minWidth: '75vw',
         color: 'rgba(255,255,255, 0.8)',
       },
     },

ui/src/themes/theme.test.js

@@ -0,0 +1,14 @@
+import themes from './index'
+import { describe, it, expect } from 'vitest'
+
+describe('NDPlaylistDetails styles', () => {
+  const themeEntries = Object.entries(themes)
+
+  it.each(themeEntries)(
+    '%s should not set minWidth on details',
+    (themeName, theme) => {
+      const details = theme.overrides?.NDPlaylistDetails?.details
+      expect(details?.minWidth).toBeUndefined()
+    },
+  )
+})