Implement querying publications

The code was already there, this commit just moves it around so it's
next to the other publication-related methods, to find it easier.

Author: rmunn

backend/FwLite/LcmCrdt/CrdtMiniLcmApi.cs

@@ -155,21 +155,11 @@ public IAsyncEnumerable<PartOfSpeech> GetPartsOfSpeech()
         return PartsOfSpeech.AsAsyncEnumerable();
     }
 
-    public IAsyncEnumerable<Publication> GetPublications()
-    {
-        return Publications.AsAsyncEnumerable();
-    }
-
     public async Task<PartOfSpeech?> GetPartOfSpeech(Guid id)
     {
         return await PartsOfSpeech.SingleOrDefaultAsync(pos => pos.Id == id);
     }
 
-    public async Task<Publication?> GetPublication(Guid id)
-    {
-        return await Publications.SingleOrDefaultAsync(p => p.Id == id);
-    }
-
     public async Task<PartOfSpeech> CreatePartOfSpeech(PartOfSpeech partOfSpeech)
     {
         if (partOfSpeech.Id == Guid.Empty) partOfSpeech.Id = Guid.NewGuid();
@@ -199,6 +189,16 @@ public async Task DeletePartOfSpeech(Guid id)
         await AddChange(new DeleteChange<PartOfSpeech>(id));
     }
 
+    public IAsyncEnumerable<Publication> GetPublications()
+    {
+        return Publications.AsAsyncEnumerable();
+    }
+
+    public async Task<Publication?> GetPublication(Guid id)
+    {
+        return await Publications.SingleOrDefaultAsync(p => p.Id == id);
+    }
+
     public async Task<Publication> CreatePublication(Publication pub)
     {
         await AddChange(new CreatePublicationChange(pub.Id, pub.Name));