style(cli): fill rows in column output in theme and plugin `list` commands

lib/cli.zsh

@@ -405,14 +405,14 @@ function _omz::plugin::list {
 
   if (( ${#custom_plugins} )); then
     print -P "%U%BCustom plugins%b%u:"
-    print -l ${(q-)custom_plugins} | column
+    print -l ${(q-)custom_plugins} | column -x
   fi
 
   if (( ${#builtin_plugins} )); then
     (( ${#custom_plugins} )) && echo # add a line of separation
 
     print -P "%U%BBuilt-in plugins%b%u:"
-    print -l ${(q-)builtin_plugins} | column
+    print -l ${(q-)builtin_plugins} | column -x
   fi
 }
 
@@ -631,14 +631,14 @@ function _omz::theme::list {
 
   if (( ${#custom_themes} )); then
     print -P "%U%BCustom themes%b%u:"
-    print -l ${(q-)custom_themes} | column
+    print -l ${(q-)custom_themes} | column -x
   fi
 
   if (( ${#builtin_themes} )); then
     (( ${#custom_themes} )) && echo # add a line of separation
 
     print -P "%U%BBuilt-in themes%b%u:"
-    print -l ${(q-)builtin_themes} | column
+    print -l ${(q-)builtin_themes} | column -x
   fi
 }