[fix] Revert my 2 lasts commits: original sandbox case was good

app/lib/dal/sqliteDAL/DocumentDAL.ts

 export interface DBDocument {
-  pubkey?: string     // idty table
-  from?: string       // cert table
-  issuer?: string     // membership table
-  issuers?: string[]  // txs table
+  issuers?: string[]
 }
\ No newline at end of file

app/lib/dal/sqliteDAL/SandBox.ts

@@ -14,10 +14,7 @@ export class SandBox<T extends DBDocument> {
   
   async acceptNewSandBoxEntry(element:T, pubkey:string) {
     // Accept any document which has the exception pubkey (= the node pubkey)
-    if (element.pubkey === pubkey
-      || element.from === pubkey
-      || element.issuer === pubkey
-      || (element.issuers !== undefined && element.issuers.indexOf(pubkey) !== -1)) {
+    if (element.issuers !== undefined && element.issuers.indexOf(pubkey) !== -1) {
       return true;
     }
     const elements = await this.findElements()