fix(mobile): manual asset upload - app state handling + cancel button (#3611)

* feat(mobile): Cancel manual asset upload

* fix(mobile): re-add the missing translation keys

* feat(mobile): show manual upload error in backup page

* refactor: manual upload in-progress count

* fix(mobile): handle app state properly during manual asset upload

mobile/assets/i18n/en-US.json

@@ -92,6 +92,11 @@
   "backup_controller_page_uploading_file_info": "Uploading file info",
   "backup_err_only_album": "Cannot remove the only album",
   "backup_info_card_assets": "assets",
+  "backup_manual_success": "Success",
+  "backup_manual_failed": "Failed",
+  "backup_manual_cancelled": "Cancelled",
+  "backup_manual_title": "Upload status",
+  "backup_manual_in_progress": "Upload already in progress. Try after sometime",
   "cache_settings_album_thumbnails": "Library page thumbnails ({} assets)",
   "cache_settings_clear_cache_button": "Clear cache",
   "cache_settings_clear_cache_button_title": "Clears the app's cache. This will significantly impact the app's performance until the cache has rebuilt.",
@@ -138,6 +143,10 @@
   "delete_dialog_cancel": "Cancel",
   "delete_dialog_ok": "Delete",
   "delete_dialog_title": "Delete Permanently",
+  "upload_dialog_title": "Upload Asset",
+  "upload_dialog_info": "Do you want to backup the selected Asset(s) to the server?",
+  "upload_dialog_ok": "Upload",
+  "upload_dialog_cancel": "Cancel",
   "description_input_hint_text": "Add description...",
   "description_input_submit_error": "Error updating description, check the log for more details",
   "exif_bottom_sheet_description": "Add Description...",
@@ -153,6 +162,7 @@
   "home_page_add_to_album_err_local": "Can not add local assets to albums yet, skipping",
   "home_page_add_to_album_success": "Added {added} assets to album {album}.",
   "home_page_archive_err_local": "Can not archive local assets yet, skipping",
+  "home_page_upload_err_limit": "Can only upload a maximum of 30 assets at a time, skipping",
   "home_page_building_timeline": "Building the timeline",
   "home_page_favorite_err_local": "Can not favorite local assets yet, skipping",
   "home_page_first_time_notice": "If this is your first time using the app, please make sure to choose a backup album(s) so that the timeline can populate photos and videos in the album(s).",
@@ -186,6 +196,7 @@
   "login_form_save_login": "Stay logged in",
   "login_form_server_empty": "Enter a server URL.",
   "login_form_server_error": "Could not connect to server.",
+  "login_disabled": "Login has been disabled",
   "monthly_title_text_date_format": "MMMM y",
   "motion_photos_page_title": "Motion Photos",
   "notification_permission_dialog_cancel": "Cancel",