[MySQL] Quick Fix for MySQL flexible server provisioning failure and doc fix (issue submitted) (#15536)

* mysql quick fix

* help text for doc

Author: DaeunYim

src/MySql/custom/New-AzMySqlFlexibleServer.ps1

@@ -256,7 +256,7 @@ process {
             $null = $PSBoundParameters.Remove('StorageInMb')
         }
         else {
-            $PSBoundParameters.StorageProfileStorageMb = 10240
+            $PSBoundParameters.StorageProfileStorageMb = 32768
         }
 
         if (!$PSBoundParameters.ContainsKey('Version')) {

src/MySql/docs/Update-AzMySqlFlexibleServerConfiguration.md

@@ -1,7 +1,7 @@
 ---
 external help file:
 Module Name: Az.MySql
-online version: https://docs.microsoft.com/en-us/powershell/module/az.mysql/update-azmysqlflexibleserverconfiguration
+online version: https://docs.microsoft.com/powershell/module/az.mysql/update-azmysqlflexibleserverconfiguration
 schema: 2.0.0
 ---
 
@@ -32,7 +32,7 @@ Updates information about a configuration of a MySQL flexible server.
 
 ### Example 1: Update MySql configuration by name
 ```powershell
-PS C:\> Update-AzMySqlFlexibleServer -Name net_retry_count -ResourceGroupName PowershellMySqlTest -ServerName mysql-test -Value 15
+PS C:\> Update-AzMySqlFlexibleServerConfiguration -Name net_retry_count -ResourceGroupName PowershellMySqlTest -ServerName mysql-test -Value 15
 
 Name          Value   DefaultValue  Source        AllowedValues DataType
 ----          ------  ------------  -------       ------------- ---------
@@ -44,7 +44,7 @@ This cmdlet updates MySql configuration by name.
 ### Example 2: Update MySql configuration by identity.
 ```powershell
 PS C:\> $ID = "/subscriptions/<SubscriptionId>/resourceGroups/PowershellMySqlTest/providers/Microsoft.DBForMySql/flexibleServers/mysql-test/configurations/wait_timeout"
-PS C:\> Update-AzMySqlFlexibleServer -InputObject $ID -Value 150
+PS C:\> Update-AzMySqlFlexibleServerConfiguration -InputObject $ID -Value 150
 
 Name          Value   DefaultValue  Source        AllowedValues DataType
 ----          ------  ------------  -------       ------------- ---------

src/MySql/examples/Update-AzMySqlFlexibleServerConfiguration.md

@@ -1,6 +1,6 @@
 ### Example 1: Update MySql configuration by name
 ```powershell
-PS C:\> Update-AzMySqlFlexibleServer -Name net_retry_count -ResourceGroupName PowershellMySqlTest -ServerName mysql-test -Value 15
+PS C:\> Update-AzMySqlFlexibleServerConfiguration -Name net_retry_count -ResourceGroupName PowershellMySqlTest -ServerName mysql-test -Value 15
 
 Name          Value   DefaultValue  Source        AllowedValues DataType
 ----          ------  ------------  -------       ------------- ---------
@@ -12,7 +12,7 @@ This cmdlet updates MySql configuration by name.
 ### Example 2: Update MySql configuration by identity.
 ```powershell
 PS C:\> $ID = "/subscriptions/<SubscriptionId>/resourceGroups/PowershellMySqlTest/providers/Microsoft.DBForMySql/flexibleServers/mysql-test/configurations/wait_timeout"
-PS C:\> Update-AzMySqlFlexibleServer -InputObject $ID -Value 150
+PS C:\> Update-AzMySqlFlexibleServerConfiguration -InputObject $ID -Value 150
 
 Name          Value   DefaultValue  Source        AllowedValues DataType
 ----          ------  ------------  -------       ------------- ---------