Enable clippy::eq_op (#9369)

This PR enables the
[`clippy::eq_op`](https://rust-lang.github.io/rust-clippy/master/index.html#/eq_op)
rule and fixes the outstanding violations.

Enabling this rule seems to have caught two bugs!

Release Notes:

- N/A

crates/story/src/story.rs

@@ -37,10 +37,10 @@ impl StoryColor {
             primary: hsla(216. / 360., 11. / 100., 0. / 100., 1.),
             secondary: hsla(216. / 360., 11. / 100., 16. / 100., 1.),
             border: hsla(216. / 360., 11. / 100., 91. / 100., 1.),
-            background: hsla(0. / 360., 0. / 100., 100. / 100., 1.),
+            background: hsla(0. / 360., 0. / 100., 1., 1.),
             card_background: hsla(0. / 360., 0. / 100., 96. / 100., 1.),
             divider: hsla(216. / 360., 11. / 100., 86. / 100., 1.),
-            link: hsla(206. / 360., 100. / 100., 50. / 100., 1.),
+            link: hsla(206. / 360., 1., 50. / 100., 1.),
         }
     }
 }