Desktop: Viewport bounds from viewport container (#2989)

* Remove build script because it created more issues that it solved

* Get viewport bounds from viewport container

desktop/.gitignore

@@ -1,3 +0,0 @@
-# Generated by Cargo
-# will have compiled files and executables
-/target/

desktop/build.rs

@@ -1,10 +0,0 @@
-use std::fs::metadata;
-
-fn main() {
-	let frontend_dir = format!("{}/../frontend/dist", env!("CARGO_MANIFEST_DIR"));
-	metadata(&frontend_dir).expect("Failed to find frontend directory. Please build the frontend first.");
-	metadata(format!("{}/index.html", &frontend_dir)).expect("Failed to find index.html in frontend directory.");
-
-	println!("cargo:rerun-if-changed=.");
-	println!("cargo:rerun-if-changed=../frontend/dist");
-}