Auto merge of #104351 - JohnTitor:rollup-ikh2dzr, r=JohnTitor

Rollup of 5 pull requests

Successful merges:

 - #103650 (rustdoc: change `.src-line-numbers > span` to `.src-line-numbers > a`)
 - #104177 (rustdoc: use consistent "popover" styling for notable traits)
 - #104318 (Move tests)
 - #104323 (rustdoc: remove no-op CSS `.scrape-help { background: transparent }`)
 - #104345 (Fix up a Fluent message)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

compiler/rustc_error_messages/locales/en-US/infer.ftl

@@ -126,10 +126,10 @@ infer_data_lifetime_flow = ...but data with one lifetime flows into the other he
 infer_declared_multiple = this type is declared with multiple lifetimes...
 infer_types_declared_different = these two types are declared with different lifetimes...
 infer_data_flows = ...but data{$label_var1_exists ->
-    [true] -> {" "}from `{$label_var1}`
+    [true] {" "}from `{$label_var1}`
     *[false] -> {""}
 } flows{$label_var2_exists ->
-    [true] -> {" "}into `{$label_var2}`
+    [true] {" "}into `{$label_var2}`
     *[false] -> {""}
 } here