Make name field search in item name only

Now there is an `allNames` field that searches names of multiple
things.

modules/restapi/src/main/resources/docspell-openapi.yml

@@ -3354,8 +3354,13 @@ components:
             - outgoing
         name:
           type: string
+          description: |
+            Search in item names.
         allNames:
           type: string
+          description: |
+            Search in item names, correspondents, concerned entities
+            and notes.
         corrOrg:
           type: string
           format: ident

modules/store/src/main/scala/docspell/store/queries/QItem.scala

@@ -291,7 +291,7 @@ object QItem {
       IC.state.prefix("i").isOneOf(q.states),
       IC.incoming.prefix("i").isOrDiscard(q.direction),
       name
-        .map(n => or(IC.name.prefix("i").lowerLike(n), IC.notes.prefix("i").lowerLike(n)))
+        .map(n => IC.name.prefix("i").lowerLike(n))
         .getOrElse(Fragment.empty),
       allNames
         .map(n =>