app: migrate to new shim implementation

Both machinectl and sudo launch methods launch shim as shim is now responsible for setting up the sandbox. Various app structures are adapted to accommodate bwrap configuration and mediated wayland access.

Signed-off-by: Ophestra Umiker <cat@ophivana.moe>

internal/app/seal.go

@@ -63,6 +63,12 @@ func (a *app) Seal(config *Config) error {
 	// pass through config values
 	seal.fid = config.ID
 	seal.command = config.Command
+	seal.bwrap = config.Confinement.Sandbox
+
+	// create wayland client wait channel
+	if config.Confinement.Wayland {
+		seal.wlDone = make(chan struct{})
+	}
 
 	// parses launch method text and looks up tool path
 	switch config.Method {