Ignore unnecessary_map_or clippy lint

    warning: this `map_or` can be simplified
      --> src/table.rs:76:12
       |
    76 |         if function_filter.map_or(true, |ff| ff.is_match(&row.0)) {
       |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use is_none_or instead: `function_filter.is_none_or(|ff| ff.is_match(&row.0))`
       |
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_map_or
       = note: `-W clippy::unnecessary-map-or` implied by `-W clippy::all`
       = help: to override `-W clippy::all` add `#[allow(clippy::unnecessary_map_or)]`

src/main.rs

@@ -11,6 +11,7 @@
     clippy::struct_excessive_bools,
     clippy::too_many_lines,
     clippy::uninlined_format_args,
+    clippy::unnecessary_map_or,
     clippy::unseparated_literal_suffix,
     clippy::unwrap_or_default
 )]