feat(backup): support crossplatform backup (CPB) POC [WPB-10575] (#18273

)

* !feat(backup): support multiplatform backup POC

* feat: export the database tables

* feat: change file ending

* feat: dont block self messages (unknown qialified_from)

* feat(CPB): refactor code, export/import text messages

* feat(CPB): update library to support other message types

* wip: import and export assets (not functional)

* chore(MPB): update JS files with new webPrimaryKey field

* debug: add primary_key to the backup entries

* fix: messages from selfUser

* wip

* cleanup

* fix: compare user metadata again

* feat: build metaData for asset export

* fix: user can have a missing qualified id

* feat: metadata for images

* feat: support legacy by default and CPB with feature flag

* feat: generic metadata for images

* chore: yarn lock

* feat: make image backups work

* fix: tests

* chore: streamline naming

---------

Co-authored-by: Adrian Weiß <[email protected]>
Co-authored-by: yamilmedina <[email protected]>

.eslintrc.js

@@ -9,6 +9,7 @@ module.exports = {
     amplify: 'readonly',
   },
   ignorePatterns: [
+    'TEMP-crossplatform-backup/',
     '.git/',
     'docs/',
     'bin/',

.gitignore

@@ -3,6 +3,7 @@
 .DS_Store
 .idea
 .vscode
+.fleet
 /config
 /coverage
 /keys