[WebToolsE2E][Blue]With check "Use Omnisharp", when type code “@DateTime.” in xxx.cshtml file, Put the cursor into other lines, wait for 3s and then put the cursor after "@datetime.", then re-invoke it (Ctrl + Space), no intellisense is shown

[WebToolsE2E][Blue]With check "Use Omnisharp", when type code “@DateTime.” in xxx.cshtml file, Put the cursor into other lines, wait for 3s and then put the cursor after "@datetime.", then re-invoke it (Ctrl + Space), no intellisense is shown #216