fix: disable init() function in github/charmbracelet/bubbletea dependency (#15817)

- Fixes an issue where an init function
causes writes to the terminal when using `agent-exec` which results in raw
ansi characters being printed to the web terminal.
- Was also causing significant latency in launching a web terminal

cmd/coder/main.go

@@ -5,6 +5,8 @@ import (
 	"os"
 	_ "time/tzdata"
 
+	tea "github.com/charmbracelet/bubbletea"
+
 	"github.com/coder/coder/v2/agent/agentexec"
 	"github.com/coder/coder/v2/cli"
 )
@@ -15,6 +17,9 @@ func main() {
 		_, _ = fmt.Fprintln(os.Stderr, err)
 		os.Exit(1)
 	}
+	// This preserves backwards compatibility with an init function that is causing grief for
+	// web terminals using agent-exec + screen. See https://github.com/coder/coder/pull/15817
+	tea.InitTerminal()
 	var rootCmd cli.RootCmd
 	rootCmd.RunWithSubcommands(rootCmd.AGPL())
 }