Fix regression in citeproc processing.

If inline references are used (in the metadata `references` field),
we should still only include in the bibliography items that are
actually cited -- unless `nocite` is used.

Closes #7376.

src/Text/Pandoc/Citeproc.hs

@@ -194,7 +194,9 @@ getReferences mblocale (Pandoc meta bs) = do
                   then const True
                   else (`Set.member` citeIds)
   let inlineRefs = case lookupMeta "references" meta of
-                    Just (MetaList rs) -> mapMaybe metaValueToReference rs
+                    Just (MetaList rs) ->
+                      filter (idpred . unItemId . referenceId)
+                         $  mapMaybe metaValueToReference rs
                     _                  -> []
   externalRefs <- case lookupMeta "bibliography" meta of
                     Just (MetaList xs) ->

test/command/7376.md

@@ -0,0 +1,16 @@
+```
+% pandoc --citeproc -t plain
+---
+references:
+- id: item1
+  type: book
+  author:
+    - family: Doe
+      given: Jane
+  issued: 2020
+  title: The title
+...
+^D
+
+
+```

test/command/pandoc-citeproc-356.md

@@ -15,11 +15,6 @@ references:
 
 [@bar]
 ^D
-(Alice 2042)
-
-::: {#refs .references .csl-bib-body .hanging-indent}
-::: {#ref-foo .csl-entry}
-Alice. 2042.
-:::
-:::
+[WARNING] Citeproc: citation bar not found
+(**bar?**)
 ```