The Google Pixel 3 may be suffering from some serious camera issues, but the engineers in Mountain View are still going full steam ahead on the upcoming Pixel 4. And according to the most recent reports, that phone may come with a ‘DSLR-like accessory’ for more serious photographers. The report was published by 9to5Google, who received some exclusive tidbits about the upcoming smartphone from a “reliable source.” In addition to some details about the battery, RAM and screen resolution specs,…