[AppService]: fix Azure#18028- Publish-AzWebapp doesn't handle relative paths properly (Azure#18977)

* Fix Azure#17184 :  `Get-AzWebApp` to return SiteConfig details in the response when requested the WebApps under subscreption

* Revert "Fix Azure#17184 :  `Get-AzWebApp` to return SiteConfig details in the response when requested the WebApps under subscreption"

This reverts commit 96a4d28.

* Fix Azure#17184 :  `Get-AzWebApp` to return SiteConfig details in the response when requested the WebApps under subscreption

* Revert "Fix Azure#17184 :  `Get-AzWebApp` to return SiteConfig details in the response when requested the WebApps under subscreption"

This reverts commit 96a4d28.

* [AppService]: fix Azure#18028- Publish-AzWebapp doesn't handle relative paths properly

* Updated changelog.md

* Update src/Websites/Websites/ChangeLog.md

* Fixed an issue

* Updated review comments

Co-authored-by: Beisi Zhou <zhoubeisi@gmail.com>

Author: Kotasudhakarreddy

src/Websites/Websites.Test/SessionRecords/Microsoft.Azure.Commands.Websites.Test.ScenarioTests.WebAppTests/TestPublishWebAppFromZip.json

@@ -18,6 +18,7 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
+* Fixed `Publish-AzWebapp` to handle relative paths properly [#18028]
 
 ## Version 2.11.2
 * Updated `Get-AzWebApp` and `Get-AzWebAppSlot` to expose `VirtualNetworkSubnetId` property [#18042]

src/Websites/Websites/ChangeLog.md

@@ -74,6 +74,8 @@ public override void ExecuteCmdlet()
 
             Action zipDeployAction = () =>
             {
+                if (!Path.IsPathRooted(ArchivePath))
+                    ArchivePath = Path.Combine(this.SessionState.Path.CurrentFileSystemLocation.Path, ArchivePath);
                 using (var s = File.OpenRead(ArchivePath))
                 {
                     HttpClient client = new HttpClient();