install/{consolefont,keymap,sd-vconsole}: declare vconsole.conf supported variables as local
Some misconstructed hooks may set these variables globally and in case they are not defined in vconsole.conf
(and thus not overwritten), cause errors when the consolefont
, keymap
or sd-vconsole
hooks use the incompatible values.
Setting them as local variables prevents this interference.
Fixes FS#76654.
Edited by nl6720