chore: fix warnings for Windows-specific fonts code

[arihant2math]

Fix warnings from components/fonts/platform/windows/font.rs and components/fonts/platform/windows/font_list.rs due to deprecations from dwrote.

Testing: none, should behave as it did before

[mrobinson]

Thanks! Just a few comments:

[mrobinson]

My suggestion was missing a let:

error[E0425]: cannot find value `family_name` in this scope
  --> components\fonts\platform\windows\font_list.rs:28:15
   |
28 |         if Ok(family_name) = family.family_name() {
   |               ^^^^^^^^^^^ not found in this scope
   |
help: you might have meant to use pattern matching
   |
28 |         if let Ok(family_name) = family.family_name() {
   |            +++

error[E0425]: cannot find value `family_name` in this scope
  --> components\fonts\platform\windows\font_list.rs:29:22
   |
29 |             callback(family_name);
   |                      ^^^^^^^^^^^ not found in this scope

error[E0308]: mismatched types
  --> components\fonts\platform\windows\font_list.rs:28:12
   |
28 |         if Ok(family_name) = family.family_name() {
   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `()`
   |
help: consider adding `let`
   |
28 |         if let Ok(family_name) = family.family_name() {
   |            +++

[arihant2math]

Fixed!