fix(lualine): error in vscode theme when transparent = false

Fixes improper ternary operator in local lualine theme for vscode.nvim
where the color value for b_section backgrounds would evaluate to nil if
vscode.nvim config has `transparent = false`.

lua/lualine/themes/vscode.lua

@@ -30,43 +30,43 @@ end
 
 vscode.normal = {
   a = { fg = vim.o.background == "dark" and colors.bg or colors.fg, bg = colors.blue, gui = "bold" },
-  b = { fg = colors.blue, bg = config.opts.transparent and colors.bg2 },
+  b = { fg = colors.blue, bg = colors.bg2 },
   c = { fg = colors.fg, bg = config.opts.transparent and "NONE" or colors.bg },
 }
 
 vscode.visual = {
   a = { fg = vim.o.background == "dark" and colors.bg or colors.fg, bg = colors.yellow, gui = "bold" },
-  b = { fg = colors.yellow, bg = config.opts.transparent and colors.bg2 },
+  b = { fg = colors.yellow, bg = colors.bg2 },
   c = { fg = colors.fg, bg = config.opts.transparent and "NONE" or colors.bg },
 }
 
 vscode.replace = {
   a = { fg = vim.o.background == "dark" and colors.bg or colors.fg, bg = colors.red, gui = "bold" },
-  b = { fg = colors.red, bg = config.opts.transparent and colors.bg2 },
+  b = { fg = colors.red, bg = colors.bg2 },
   c = { fg = colors.fg, bg = config.opts.transparent and "NONE" or colors.bg },
 }
 
 vscode.insert = {
   a = { fg = vim.o.background == "dark" and colors.bg or colors.fg, bg = colors.green, gui = "bold" },
-  b = { fg = colors.green, bg = config.opts.transparent and colors.bg2 },
+  b = { fg = colors.green, bg = colors.bg2 },
   c = { fg = colors.fg, bg = config.opts.transparent and "NONE" or colors.bg },
 }
 
 vscode.terminal = {
   a = { fg = vim.o.background == "dark" and colors.bg or colors.fg, bg = colors.green, gui = "bold" },
-  b = { fg = colors.fg, bg = config.opts.transparent and colors.bg2 },
+  b = { fg = colors.fg, bg = colors.bg2 },
   c = { fg = colors.fg, bg = config.opts.transparent and "NONE" or colors.bg },
 }
 
 vscode.command = {
   a = { fg = vim.o.background == "dark" and colors.bg or colors.fg, bg = colors.pink, gui = "bold" },
-  b = { fg = colors.pink, bg = config.opts.transparent and colors.bg2 },
+  b = { fg = colors.pink, bg = colors.bg2 },
   c = { fg = colors.fg, bg = config.opts.transparent and "NONE" or colors.bg },
 }
 
 vscode.inactive = {
   a = { fg = colors.fg, bg = colors.bg, gui = "bold" },
-  b = { fg = colors.inactive, bg = config.opts.transparent and colors.bg },
+  b = { fg = colors.inactive, bg = colors.bg },
   c = { fg = colors.inactive, bg = config.opts.transparent and "NONE" or colors.bg },
 }