Some issues in chromeOS

[AdmiralSanka]

Dear developers:

• My Chrome version :84.0.4147.110
• MY OS and its version:ChromeOS ,84.0.4147.110
• 64bit
• My KC3 Kai version:34.7.4

Steps to reproduce:

issue1：In Frame mode,when my mouse move to chrome's tools bar ,my kc3 screen will turn to (as screenshots) ..until I touch F11 to full screen and back ,it can trun back to normal

issue 2:In api mode,KC3 always black screen,and it notice 2 errors:

Error Report (if applicable):

Failed to load resource: net::ERR_FILE_NOT_FOUND refresh.png:1
Failed to load resource: net::ERR_FILE_NOT_FOUND dmm.png:1

Thank you!