fix: apply 'no-constant-binary-expression' rule

Signed-off-by: Maksim Sukharev <antreesy.web@gmail.com>

eslint.config.mjs

@@ -29,7 +29,6 @@ export default [
 			'jsdoc/require-param-description': 'off', // need to respect JS
 			'jsdoc/tag-lines': 'off', // need to respect JS
 			'no-console': 'off', // non-fixable
-			'no-constant-binary-expression': 'off', // non-fixable
 			'no-constant-condition': 'off', // non-fixable
 			'no-empty': 'off', // non-fixable
 			'no-redeclare': 'off', // non-fixable

src/components/MessagesList/MessagesGroup/Message/MessagePart/Mention.vue

@@ -148,7 +148,7 @@ export default {
 	},
 
 	mounted() {
-		this.size = parseInt(window.getComputedStyle(this.$refs.mention).fontSize, 10) * 4 / 3 ?? 20
+		this.size = parseInt(window.getComputedStyle(this.$refs.mention).fontSize ?? 15, 10) * 4 / 3
 	},
 }
 </script>