[Sample] Add sample for Multiline Input.Text with Password style (#6527)

* Add sample file

* Fix same id issue

Co-authored-by: RebeccaAnne <rebecch@microsoft.com>
Co-authored-by: Canhua Li <licanhua@live.com>

Author: 3 people

samples/v1.5/Test/Input.Text.Password.IgnoresMultiline.json

@@ -0,0 +1,33 @@
+{
+	"type": "AdaptiveCard",
+	"$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
+	"version": "1.5",
+	"body": [
+		{
+			"type": "TextBlock",
+			"text": "Both Input.Text elements should look the same as multiline is ignored for password",
+			"wrap": true
+		},
+		{
+			"type": "Input.Text",
+			"id": "id0",
+			"placeholder": "password",
+			"style": "password",
+			"label": "Regular Input.Text With Password Style"
+		},
+		{
+			"type": "Input.Text",
+			"id": "id1",
+			"placeholder": "password",
+			"style": "password",
+			"label": "Multiline Input.Text With Password Style",
+			"isMultiline": true
+		}
+	],
+	"actions": [
+		{
+			"type": "Action.Submit",
+			"title": "OK"
+		}
+	]
+}