Update preview and fix documentation symbols (#7207)

I don't love the sunrise emoji and 🧪 seems nice :)

Requires #7195

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Co-authored-by: konsti <[email protected]>

Author: zanieb

crates/ruff_dev/src/generate_rules_table.rs

@@ -10,8 +10,8 @@ use ruff::upstream_categories::UpstreamCategoryAndPrefix;
 use ruff_diagnostics::AutofixKind;
 use ruff_workspace::options::Options;
 
-const FIX_SYMBOL: &str = "🛠";
-const PREVIEW_SYMBOL: &str = "🌅";
+const FIX_SYMBOL: &str = "🛠️";
+const PREVIEW_SYMBOL: &str = "🧪";
 
 fn generate_table(table_out: &mut String, rules: impl IntoIterator<Item = Rule>, linter: &Linter) {
     table_out.push_str("| Code | Name | Message | |");