Changed default completion from C-Space to C-y

init.lua

@@ -784,7 +784,7 @@ require('lazy').setup({
           -- Accept ([y]es) the completion.
           --  This will auto-import if your LSP supports it.
           --  This will expand snippets if the LSP sent a snippet.
-          ['<C-y>'] = cmp.mapping.confirm { select = true },
+          ['<C-Space>'] = cmp.mapping.confirm { select = true },
 
           -- If you prefer more traditional completion keymaps,
           -- you can uncomment the following lines
@@ -795,7 +795,7 @@ require('lazy').setup({
           -- Manually trigger a completion from nvim-cmp.
           --  Generally you don't need this, because nvim-cmp will display
           --  completions whenever it has completion options available.
-          ['<C-Space>'] = cmp.mapping.complete {},
+          ['<C-y'] = cmp.mapping.complete {},
 
           -- Think of <c-l> as moving to the right of your snippet expansion.
           --  So if you have a snippet that's like: