feat(theme): Update pop-dark statusline (#6227)

* update pop-theme for color-modes

* fixed ui.statusline.select not worrking

* adjustments for nicer statusline visuals

* added status line color

runtime/themes/pop-dark.toml

@@ -28,6 +28,7 @@ error = { fg = 'brownD', bg = 'redE', modifiers = ['bold'] }
 'ui.linenr' = { bg = 'brownU', fg = 'greyL' }
 'ui.linenr.selected' = { fg = 'orangeH' }
 'ui.cursorline' = { bg = 'brownH' }
+'ui.statusline' = { fg = 'greyT', bg = 'brownU' }
 'ui.statusline.inactive' = { fg = 'greyT', bg = 'brownN' }
 'ui.statusline.normal' = { fg = 'greyT', bg = 'brownD', modifiers = ['bold'] }
 'ui.statusline.select' = { bg = 'blueL', fg = 'brownD', modifiers = ['bold'] }