i18n workflow improvements and tweaks (#22586)

* mobile button spacing

* prevent console warning about div being descendant of p

* ensure consistent spacing

* add missing i18n keys

* i18n fixes

- add missing translations
- fix dot notation keys

* use plain string

* add missing key

* add i18next-cli commands for extraction and status

also add false positives removal for several keys

* add i18n key check step to PR workflow

* formatting

web/public/locales/en/views/classificationModel.json

@@ -23,15 +23,17 @@
   },
   "toast": {
     "success": {
-      "deletedCategory": "Deleted Class",
-      "deletedImage": "Deleted Images",
       "deletedModel_one": "Successfully deleted {{count}} model",
       "deletedModel_other": "Successfully deleted {{count}} models",
       "categorizedImage": "Successfully Classified Image",
       "trainedModel": "Successfully trained model.",
       "trainingModel": "Successfully started model training.",
       "updatedModel": "Successfully updated model configuration",
-      "renamedCategory": "Successfully renamed class to {{name}}"
+      "renamedCategory": "Successfully renamed class to {{name}}",
+      "deletedCategory_one": "Deleted {{count}} class",
+      "deletedCategory_other": "Deleted {{count}} classes",
+      "deletedImage_one": "Deleted {{count}} image",
+      "deletedImage_other": "Deleted {{count}} images"
     },
     "error": {
       "deleteImageFailed": "Failed to delete: {{errorMessage}}",