Migration of PostStore Part 2 (#15181)

* Starting migration

* Lint: remove unnecessary use of sprintf

* Fix i18n

* Some suggestions

* Fix store layers

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

i18n/en.json

@@ -4458,6 +4458,26 @@
     "id": "app.post.get.app_error",
     "translation": "Unable to get the post."
   },
+  {
+    "id": "app.post.get_flagged_posts.app_error",
+    "translation": "Unable to get the flagged posts."
+  },
+  {
+    "id": "app.post.get_post_after_time.app_error",
+    "translation": "Unable to get post after time bound."
+  },
+  {
+    "id": "app.post.get_post_id_around.app_error",
+    "translation": "Unable to get post around time bound."
+  },
+  {
+    "id": "app.post.get_posts_around.get.app_error",
+    "translation": "Unable to get the posts for the channel."
+  },
+  {
+    "id": "app.post.get_posts_since.app_error",
+    "translation": "Unable to get the posts for the channel."
+  },
   {
     "id": "app.post.permanent_delete_by_channel.app_error",
     "translation": "Unable to delete the posts by channel."
@@ -7454,10 +7474,6 @@
     "id": "store.sql_post.get_direct_posts.app_error",
     "translation": "Unable to get direct posts."
   },
-  {
-    "id": "store.sql_post.get_flagged_posts.app_error",
-    "translation": "Unable to get the flagged posts."
-  },
   {
     "id": "store.sql_post.get_oldest_entity_creation_time.app_error",
     "translation": "Unable to get the oldest entitiy creation time."
@@ -7466,26 +7482,10 @@
     "id": "store.sql_post.get_parents_posts.app_error",
     "translation": "Unable to get the parent post for the channel."
   },
-  {
-    "id": "store.sql_post.get_post_after_time.app_error",
-    "translation": "Unable to get post after time bound."
-  },
-  {
-    "id": "store.sql_post.get_post_id_around.app_error",
-    "translation": "Unable to get post around time bound."
-  },
   {
     "id": "store.sql_post.get_posts.app_error",
     "translation": "Limit exceeded for paging."
   },
-  {
-    "id": "store.sql_post.get_posts_around.get.app_error",
-    "translation": "Unable to get the posts for the channel."
-  },
-  {
-    "id": "store.sql_post.get_posts_around.get_parent.app_error",
-    "translation": "Unable to get the parent posts for the channel."
-  },
   {
     "id": "store.sql_post.get_posts_batch_for_indexing.get.app_error",
     "translation": "Unable to get the posts batch for indexing."
@@ -7498,10 +7498,6 @@
     "id": "store.sql_post.get_posts_created_att.app_error",
     "translation": "Unable to get the posts for the channel."
   },
-  {
-    "id": "store.sql_post.get_posts_since.app_error",
-    "translation": "Unable to get the posts for the channel."
-  },
   {
     "id": "store.sql_post.get_root_posts.app_error",
     "translation": "Unable to get the posts for the channel."