Migrating Team.SaveMember/SaveMultipleMembers into errors (#14924)

* Migrating Team.SaveMember/SaveMultipleMembers into errors

* Removing copy/paste comments

* Fixing another small thing

* Fixing tests

* Addressing PR review comments

* Fixing some tests

* Fixing golangci-lint

* Fixing linter

* Regenerating store layers

* Fix lint error after merge

* Other lint error fixed

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

i18n/en.json

@@ -3366,6 +3366,18 @@
     "id": "app.compliance.save.saving.app_error",
     "translation": "We encountered an error saving the compliance report."
   },
+  {
+    "id": "app.create_basic_user.save_member.app_error",
+    "translation": "Unable to create default team memberships"
+  },
+  {
+    "id": "app.create_basic_user.save_member.conflict.app_error",
+    "translation": "Unable to create default team membership because they already exists"
+  },
+  {
+    "id": "app.create_basic_user.save_member.max_accounts.app_error",
+    "translation": "Unable to create default team membership because no more members are allowed in that team"
+  },
   {
     "id": "app.emoji.create.internal_error",
     "translation": "Unable to save emoji."
@@ -3546,6 +3558,18 @@
     "id": "app.import.import_user_channels.save_preferences.error",
     "translation": "Error importing user channel memberships. Failed to save preferences."
   },
+  {
+    "id": "app.import.import_user_teams.save_members.conflict.app_error",
+    "translation": "Unable to import the new team membership because it already exists"
+  },
+  {
+    "id": "app.import.import_user_teams.save_members.error",
+    "translation": "Unable to import team memberships"
+  },
+  {
+    "id": "app.import.import_user_teams.save_members.max_accounts.app_error",
+    "translation": "Unable to import team membership because no more members are allowed in that team"
+  },
   {
     "id": "app.import.import_user_teams.save_preferences.error",
     "translation": "Unable to save the team theme preferences"
@@ -4458,6 +4482,18 @@
     "id": "app.team.join_user_to_team.max_accounts.app_error",
     "translation": "This team has reached the maximum number of allowed accounts. Contact your System Administrator to set a higher limit."
   },
+  {
+    "id": "app.team.join_user_to_team.save_member.app_error",
+    "translation": "Unable to create the new team membership"
+  },
+  {
+    "id": "app.team.join_user_to_team.save_member.conflict.app_error",
+    "translation": "Unable to create the new team membership because it already exists"
+  },
+  {
+    "id": "app.team.join_user_to_team.save_member.max_accounts.app_error",
+    "translation": "Unable to create the new team membership because the team has reached the limit of members"
+  },
   {
     "id": "app.team.permanentdeleteteam.internal_error",
     "translation": "Unable to delete team."
@@ -7706,10 +7742,6 @@
     "id": "store.sql_user.save.existing.app_error",
     "translation": "Must call update for existing user."
   },
-  {
-    "id": "store.sql_user.save.max_accounts.app_error",
-    "translation": "This team has reached the maximum number of allowed accounts. Contact your System Administrator to set a higher limit."
-  },
   {
     "id": "store.sql_user.save.member_count.app_error",
     "translation": "Failed to get current team member count."