plugins: fix plugin browser parentWindow and add similar support

core/internal/server/plugins/list.go

@@ -38,6 +38,7 @@ func HandleList(conn net.Conn, req models.Request) {
 		info.Upvotes = fb.Upvotes
 		info.Status = fb.Status
 		info.IssueURL = fb.IssueURL
+		info.Similar = fb.Similar
 		result[i] = info
 	}
 

core/internal/server/plugins/types.go

@@ -21,6 +21,7 @@ type PluginInfo struct {
 	Upvotes      int      `json:"upvotes,omitempty"`
 	Status       []string `json:"status,omitempty"`
 	IssueURL     string   `json:"issueUrl,omitempty"`
+	Similar      []string `json:"similar,omitempty"`
 }
 
 type SuccessResult struct {