President Donald Trump is squeezing Republicans to do his bidding on the ballroom. White House officials are pushing Republicans in Congress to approve $1 billion in security enhancements for Trump’s ballroom on grounds that it would be bad optics for private donors to pay for the presidential bunker underneath, according to two people familiar with the matter. The White House has said the ballroom itself has been paid for by donors like tech giants Apple, Meta, and Amazon , but there has been concern about these companies or rich donors effectively sponsoring a bunker. The proposed security measures for the East Wing broadly fall into two buckets, the people say: the below-ground bunker and above-ground elements that plan to include bulletproof glass and a roof that hides a counteroffensive drone port and rocket launchers.…