Fix E5108 in getcompletions

[tzachar]

:echo getcompletion('Laz ', 'cmdline') results in the following error (notice the extra space in 'Laz ')

E5108: Error executing Lua function: ...cal/share/nvim/lazy/lazy.nvim/lua/lazy/view/commands.lua:60: attempt to index a nil value                                             
stack traceback:                                                                                                                                                              
        ...cal/share/nvim/lazy/lazy.nvim/lua/lazy/view/commands.lua:60: in function <...cal/share/nvim/lazy/lazy.nvim/lua/lazy/view/commands.lua:58>             

[tzachar]

no

…

On Wed, Dec 28, 2022 at 2:08 PM Lewis Russell ***@***.***> wrote: Are you trying to lazy load lazy.nvim? — Reply to this email directly, view it on GitHub <#207 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ABFXXC5LBSNZDG2VMFKYYQ3WPQUUJANCNFSM6AAAAAATLF2JHY> . You are receiving this because you authored the thread.Message ID: ***@***.***>

[folke]

thank you!