Use rpm to install in Fedora image (#6670)

Dnf will pull caches if invoked for local file install and is also unnecessary

ci/release-image/Dockerfile.fedora

@@ -35,7 +35,7 @@ RUN ARCH="$(uname -m | sed 's/x86_64/amd64/g' | sed 's/aarch64/arm64/g')" \
   && printf "user: coder\ngroup: coder\n" > /etc/fixuid/config.yml
 
 COPY ci/release-image/entrypoint.sh /usr/bin/entrypoint.sh
-RUN --mount=from=packages,src=/tmp,dst=/tmp/packages dnf install -y /tmp/packages/code-server*$(uname -m | sed 's/x86_64/amd64/g' | sed 's/aarch64/arm64/g').rpm
+RUN --mount=from=packages,src=/tmp,dst=/tmp/packages rpm -i /tmp/packages/code-server*$(uname -m | sed 's/x86_64/amd64/g' | sed 's/aarch64/arm64/g').rpm
 
 # Allow users to have scripts run on container startup to prepare workspace.
 # https://github.com/coder/code-server/issues/5177

patches/sourcemaps.diff

@@ -10,7 +10,7 @@ Index: code-server/lib/vscode/build/gulpfile.reh.js
 ===================================================================
 --- code-server.orig/lib/vscode/build/gulpfile.reh.js
 +++ code-server/lib/vscode/build/gulpfile.reh.js
-@@ -235,8 +235,7 @@ function packageTask(type, platform, arc
+@@ -236,8 +236,7 @@ function packageTask(type, platform, arc
  
  		const src = gulp.src(sourceFolderName + '/**', { base: '.' })
  			.pipe(rename(function (path) { path.dirname = path.dirname.replace(new RegExp('^' + sourceFolderName), 'out'); }))
@@ -20,7 +20,7 @@ Index: code-server/lib/vscode/build/gulpfile.reh.js
  
  		const workspaceExtensionPoints = ['debuggers', 'jsonValidation'];
  		const isUIExtension = (manifest) => {
-@@ -275,9 +274,9 @@ function packageTask(type, platform, arc
+@@ -276,9 +275,9 @@ function packageTask(type, platform, arc
  			.map(name => `.build/extensions/${name}/**`);
  
  		const extensions = gulp.src(extensionPaths, { base: '.build', dot: true });
@@ -32,7 +32,7 @@ Index: code-server/lib/vscode/build/gulpfile.reh.js
  
  		let version = packageJson.version;
  		const quality = product.quality;
-@@ -432,7 +431,7 @@ function tweakProductForServerWeb(produc
+@@ -433,7 +432,7 @@ function tweakProductForServerWeb(produc
  	const minifyTask = task.define(`minify-vscode-${type}`, task.series(
  		optimizeTask,
  		util.rimraf(`out-vscode-${type}-min`),