plugins/cmp: Use keymaps for command line too.

will be used if cmp triggered in command line mode

lua/plugins/configs/cmp.lua

@@ -69,6 +69,7 @@ local options = {
       end, {
          "i",
          "s",
+         "c",
       }),
       ["<S-Tab>"] = cmp.mapping(function(fallback)
          if cmp.visible() then
@@ -81,6 +82,7 @@ local options = {
       end, {
          "i",
          "s",
+         "c",
       }),
    },
    sources = {