MM-45193 Use context for channel logging (#20575)

app/file.go

@@ -520,7 +520,7 @@ func (a *App) UploadFiles(c *request.Context, teamID string, channelID string, u
 
 // UploadFile uploads a single file in form of a completely constructed byte array for a channel.
 func (a *App) UploadFile(c *request.Context, data []byte, channelID string, filename string) (*model.FileInfo, *model.AppError) {
-	_, err := a.GetChannel(channelID)
+	_, err := a.GetChannel(c, channelID)
 	if err != nil && channelID != "" {
 		return nil, model.NewAppError("UploadFile", "api.file.upload_file.incorrect_channelId.app_error",
 			map[string]any{"channelId": channelID}, "", http.StatusBadRequest)