PCB: update footprint field when changing footprints

Fixes: https://gitlab.com/kicad/code/kicad/-/issues/17598

pcbnew/dialogs/dialog_exchange_footprints.cpp

@@ -382,6 +382,9 @@ void DIALOG_EXCHANGE_FOOTPRINTS::processFootprint( FOOTPRINT* aFootprint, const
                                  m_reset3DModels->GetValue(),
                                  &updated );
 
+    // Update footprint field with the new FPID
+    newFootprint->Footprint().SetText( aNewFPID.Format() );
+
     if( aFootprint == m_currentFootprint )
         m_currentFootprint = newFootprint;
 

pcbnew/footprint.h

@@ -228,7 +228,11 @@ public:
     }
 
     const LIB_ID& GetFPID() const { return m_fpid; }
-    void SetFPID( const LIB_ID& aFPID ) { m_fpid = aFPID; }
+    void          SetFPID( const LIB_ID& aFPID )
+    {
+        m_fpid = aFPID;
+        Footprint().SetText( aFPID.Format() );
+    }
 
     wxString GetFPIDAsString() const { return m_fpid.Format(); }
     void SetFPIDAsString( const wxString& aFPID ) { m_fpid.Parse( aFPID ); }

pcbnew/pcb_edit_frame.cpp

@@ -2374,6 +2374,9 @@ void PCB_EDIT_FRAME::ExchangeFootprint( FOOTPRINT* aExisting, FOOTPRINT* aNew,
     // Updating other parameters
     const_cast<KIID&>( aNew->m_Uuid ) = aExisting->m_Uuid;
     aNew->SetPath( aExisting->GetPath() );
+    aNew->SetSheetfile( aExisting->GetSheetfile() );
+    aNew->SetSheetname( aExisting->GetSheetname() );
+    aNew->SetFilters( aExisting->GetFilters() );
 
     aCommit.Remove( aExisting );
     aCommit.Add( aNew );