fix: epd2in13_V4 displayPartial ghosting due to missing 0x26 buffer update#416

AdriBalla wants to merge 1 commit intowaveshareteam:masterwaveshareteam/e-Paper:masterfrom

AdriBalla:fix/epd2in13-v4-partial-refresh-ghostingAdriBalla/e-Paper:fix/epd2in13-v4-partial-refresh-ghostingCopy head branch name to clipboard