fix(date-picker): range mode clearing first value (#10168)

### Related Ticket(s)

#10088 

### Description

When a user clicked a range of calendar dates the first date would get cleared after clicking the second date.

Before:
![Feb-27-2023 10-24-46](https://user-images.githubusercontent.com/20210594/221636241-e2af785f-9936-4a07-93a0-d98d5bef9b3a.gif)

After:
![Feb-27-2023 10-22-48](https://user-images.githubusercontent.com/20210594/221635393-12029349-9683-4229-9898-b0daa4668da6.gif)

### Changelog

**Changed**

- downgraded flatpick to 4.6.9 ( the issue starts to appear in version 4.6.10)


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packages/carbon-web-components/package.json

@@ -69,7 +69,7 @@
   "dependencies": {
     "@babel/runtime": "^7.16.3",
     "carbon-components": "10.58.3",
-    "flatpickr": "4.6.13",
+    "flatpickr": "4.6.9",
     "lit-element": "^2.5.1",
     "lit-html": "^1.4.1",
     "lodash-es": "^4.17.21"

yarn.lock

@@ -2732,7 +2732,7 @@ __metadata:
     expect-playwright: ~0.8.0
     expect-puppeteer: ^6.0.0
     file-loader: ^6.2.0
-    flatpickr: 4.6.13
+    flatpickr: 4.6.9
     fs-extra: ^10.0.0
     gulp: ^4.0.2
     gulp-babel: ^8.0.0
@@ -16310,13 +16310,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"flatpickr@npm:4.6.13":
-  version: 4.6.13
-  resolution: "flatpickr@npm:4.6.13"
-  checksum: 2cca1b8dc974e7673b51174ee3f0679ae3a6b79525a0c53bf49b87455ef358354e64acfd60b312e44cef208aab9750a1a48df32a0914046a53de6d9403742304
-  languageName: node
-  linkType: hard
-
 "flatpickr@npm:4.6.9":
   version: 4.6.9
   resolution: "flatpickr@npm:4.6.9"