Add JsonSchema to container style and fix compile errors

crates/theme/src/theme.rs

@@ -901,7 +901,7 @@ impl Editor {
     }
 }
 
-#[derive(Default)]
+#[derive(Default, JsonSchema)]
 pub struct SyntaxTheme {
     pub highlights: Vec<(String, HighlightStyle)>,
 }

crates/theme/src/theme_settings.rs

@@ -193,10 +193,10 @@ mod tests {
     fn export_schema() {
         let theme_settings_content = schema_for!(ThemeSettingsContent);
         let output1 = serde_json::to_string_pretty(&theme_settings_content).unwrap();
-        std::fs::write("schemas/theme_settings_content.json", output1);
+        std::fs::write("schemas/theme_settings_content.json", output1).ok();
 
         let theme_settings = schema_for!(ThemeSettings);
         let output2 = serde_json::to_string_pretty(&theme_settings).unwrap();
-        std::fs::write("schemas/theme_settings.json", output2);
+        std::fs::write("schemas/theme_settings.json", output2).ok();
     }
 }