Fix: multiple initialization containers are not supported in traits (#5110) (#5413)

Signed-off-by: huaxk <huaxk@163.com>

charts/vela-core/templates/defwithtemplate/init-container.yaml

@@ -27,6 +27,7 @@ spec:
         			mountPath: parameter.appMountPath
         		}]
         	}]
+        	// +patchKey=name
         	initContainers: [{
         		name:            parameter.name
         		image:           parameter.image

charts/vela-minimal/templates/defwithtemplate/init-container.yaml

@@ -27,6 +27,7 @@ spec:
         			mountPath: parameter.appMountPath
         		}]
         	}]
+        	// +patchKey=name
         	initContainers: [{
         		name:            parameter.name
         		image:           parameter.image

vela-templates/definitions/internal/trait/init-container.cue

@@ -18,6 +18,7 @@ template: {
 				mountPath: parameter.appMountPath
 			}]
 		}]
+		// +patchKey=name
 		initContainers: [{
 			name:            parameter.name
 			image:           parameter.image