Clear IS_NEW flags on commit.

Fixes https://gitlab.com/kicad/code/kicad/-/issues/15037

eeschema/sch_commit.cpp

@@ -252,6 +252,8 @@ void SCH_COMMIT::pushSchEdit( const wxString& aMessage, int aCommitFlags )
 
             bulkAddedItems.push_back( schItem );
 
+            schItem->ClearFlags( IS_NEW );
+
             break;
         }
 

eeschema/tools/sch_editor_control.cpp

@@ -1771,9 +1771,6 @@ int SCH_EDITOR_CONTROL::Paste( const TOOL_EVENT& aEvent )
 
         commit.Added( (SCH_ITEM*) item, m_frame->GetScreen() );
 
-        // Reset flags for subsequent move operation
-        item->SetFlags( IS_NEW | IS_PASTED | IS_MOVING );
-
         // Start out hidden so the pasted items aren't "ghosted" in their original location
         // before being moved to the current location.
         getView()->Hide( item, true );