nvim: config: Fix pumblend for wild menu

We broke this in our last clean up which meant this was not working
anymore with the given option.

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>

nvim/.config/nvim/config.vim

@@ -57,7 +57,7 @@ set sidescrolloff=5        " Show next 5 columns while side-scrolling.
 
 " Wild menu
 set wildmenu
-set wildmode=list:longest,full
+set wildmode=longest:full,full
 set wildoptions=pum
 set pumblend=30
 set wildignore=*.o,*.obj,*~,*.exe,*.a,*.pdb,*.lib