[GH-25484] Fix draft removal on post deletion (#25715)

* [GH-25484] Fix draft removal on post deletion

* [GH-25484] Add batch migration to remove orphan drafts

* [GH-25484] Fix tests of migration and draft store

* [GH-25484] Remove translation file changes.

* [GH-25484] Remove translation file changes.

---------

Co-authored-by: Devin Binnie <52460000+devinbinnie@users.noreply.github.com>
Co-authored-by: Mattermost Build <build@mattermost.com>
Co-authored-by: Harrison Healey <harrisonmhealey@gmail.com>

server/channels/store/storetest/mocks/DraftStore.go

@@ -28,6 +28,20 @@ func (_m *DraftStore) Delete(userID string, channelID string, rootID string) err
 	return r0
 }
 
+// DeleteDraftsAssociatedWithPost provides a mock function with given fields: channelID, rootID
+func (_m *DraftStore) DeleteDraftsAssociatedWithPost(channelID string, rootID string) error {
+	ret := _m.Called(channelID, rootID)
+
+	var r0 error
+	if rf, ok := ret.Get(0).(func(string, string) error); ok {
+		r0 = rf(channelID, rootID)
+	} else {
+		r0 = ret.Error(0)
+	}
+
+	return r0
+}
+
 // DeleteEmptyDraftsByCreateAtAndUserId provides a mock function with given fields: createAt, userId
 func (_m *DraftStore) DeleteEmptyDraftsByCreateAtAndUserId(createAt int64, userId string) error {
 	ret := _m.Called(createAt, userId)
@@ -42,6 +56,20 @@ func (_m *DraftStore) DeleteEmptyDraftsByCreateAtAndUserId(createAt int64, userI
 	return r0
 }
 
+// DeleteOrphanDraftsByCreateAtAndUserId provides a mock function with given fields: createAt, userId
+func (_m *DraftStore) DeleteOrphanDraftsByCreateAtAndUserId(createAt int64, userId string) error {
+	ret := _m.Called(createAt, userId)
+
+	var r0 error
+	if rf, ok := ret.Get(0).(func(int64, string) error); ok {
+		r0 = rf(createAt, userId)
+	} else {
+		r0 = ret.Error(0)
+	}
+
+	return r0
+}
+
 // Get provides a mock function with given fields: userID, channelID, rootID, includeDeleted
 func (_m *DraftStore) Get(userID string, channelID string, rootID string, includeDeleted bool) (*model.Draft, error) {
 	ret := _m.Called(userID, channelID, rootID, includeDeleted)