fix: rebase open authoring branches (#2975)

* fix: create open authoring branches from default origin branch

* refactor: pass repoURL to getBranch

* fix(backend-github): rebase open authoring branch,support multiple files

packages/netlify-cms-core/src/actions/editorialWorkflow.ts

@@ -397,7 +397,6 @@ export function persistUnpublishedEntry(collection: Collection, existingUnpublis
         collection,
         entryDraft: serializedEntryDraft,
         assetProxies,
-        integrations: state.integrations,
         usedSlugs,
       });
       dispatch(
@@ -561,7 +560,6 @@ export function unpublishPublishedEntry(collection: Collection, slug: string) {
           collection,
           entryDraft,
           assetProxies: [],
-          integrations: state.integrations,
           usedSlugs: List(),
           status: status.get('PENDING_PUBLISH'),
         }),

packages/netlify-cms-core/src/actions/entries.ts

@@ -601,7 +601,6 @@ export function persistEntry(collection: Collection) {
         collection,
         entryDraft: serializedEntryDraft,
         assetProxies,
-        integrations: state.integrations,
         usedSlugs,
       })
       .then((slug: string) => {

packages/netlify-cms-core/src/backend.ts

@@ -42,7 +42,6 @@ import {
   FilterRule,
   Collections,
   MediaFile,
-  Integrations,
   EntryDraft,
   CollectionFile,
   State,
@@ -208,7 +207,6 @@ interface Implementation {
       collectionName: string;
       useWorkflow: boolean;
       unpublished: boolean;
-      hasAssetStore: boolean;
       status?: string;
     },
   ) => Promise<void>;
@@ -267,7 +265,6 @@ interface PersistArgs {
   collection: Collection;
   entryDraft: EntryDraft;
   assetProxies: AssetProxy[];
-  integrations: Integrations;
   usedSlugs: List<string>;
   unpublished?: boolean;
   status?: string;
@@ -774,7 +771,6 @@ export class Backend {
     collection,
     entryDraft,
     assetProxies,
-    integrations,
     usedSlugs,
     unpublished = false,
     status,
@@ -844,11 +840,7 @@ export class Backend {
 
     const collectionName = collection.get('name');
 
-    /**
-     * Determine whether an asset store integration is in use.
-     */
-    const hasAssetStore = integrations && !!selectIntegration(integrations, null, 'assetStore');
-    const updatedOptions = { unpublished, hasAssetStore, status };
+    const updatedOptions = { unpublished, status };
     const opts = {
       newEntry,
       parsedData,