Error: Get Filter Error after #5d62e83 commit

[Pheon Dev]

Hey @tamago324, got this error after the last commit for filter

Error:
E5108: Error executing lua ...n/.local/share/nvim/lazy/lir.nvim/lua/lir/float/init.lua:170: Vim(lua):E5108: Error executing lua /home/pheon/.local/share/nvim/lazy/lir.nvim/lua/lir.lua:173: attempt to call field 'get_filters' (a nil value)
stack traceback:
	/home/pheon/.local/share/nvim/lazy/lir.nvim/lua/lir.lua:173: in function 'do_filter'
	/home/pheon/.local/share/nvim/lazy/lir.nvim/lua/lir.lua:229: in function 'init' [string ":lua"]:1: in main chunk [C]: in function 'cmd'
	...n/.local/share/nvim/lazy/lir.nvim/lua/lir/float/init.lua:170: in function 'init'
	...n/.local/share/nvim/lazy/lir.nvim/lua/lir/float/init.lua:86: in function 'toggle'
	[string ":lua"]:1: in main chunk stack traceback:
	[C]: in function 'cmd'
	...n/.local/share/nvim/lazy/lir.nvim/lua/lir/float/init.lua:170: in function 'init'
	...n/.local/share/nvim/lazy/lir.nvim/lua/lir/float/init.lua:86: in function 'toggle'
	[string ":lua"]:1: in main chunk

[Vin Aceto]

@tamago324 -- I created a quick PR, if it's okay with you! - #83

[tamago324]

@Pheon-Dev @vinnyA3
Thank you for your report and PR.
We apologize for any inconvenience caused.