Update error message value for LRT (radius-project#7810)

# Description

This updates the error message checked in the bicep language failure
check. There's a character mismatch in the two templates that get
deployed in the func tests vs the LRT. The error message is coded
towards the func tests so the character mismatch causes the LRT to fail

## Type of change

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Fixes: radius-project#7809

---------

Signed-off-by: sk593 <shruthikumar@microsoft.com>

test/functional-portable/corerp/noncloud/resources/recipe_bicep_test.go

@@ -392,13 +392,26 @@ func Test_BicepRecipe_LanguageFailure(t *testing.T) {
 				Code:            recipes.RecipeDeploymentFailed,
 				MessageContains: "failed to deploy recipe",
 				Details: []step.DeploymentErrorDetail{
+					// The column index flagged for the error is different depending on what version of the extension is used.
+					// These values might be different between functional test and long running test runs.
+					// Instead of hardcoding values, we'll validate that the rest of the message is correct.
 					{
 						Code:            "DeploymentFailed",
 						MessageContains: "At least one resource deployment operation failed. Please see the details for the specific operation that failed.",
 						Details: []step.DeploymentErrorDetail{
 							{
 								Code:            "InvalidTemplate",
-								MessageContains: "Unable to process template language expressions for resource 'Applications.Core/extenders/corerp-resources-recipe-bicep-langugagefailure-failure' at line '1' and column '456'. 'Unable to evaluate the template language function 'substring'. The index parameter cannot be larger than the length of the string. The index parameter: '10', the length of the string parameter: '4'. Please see https://aka.ms/arm-function-substring for usage details.'",
+								MessageContains: "Unable to process template language expressions for resource 'Applications.Core/extenders/corerp-resources-recipe-bicep-langugagefailure-failure' at line '1' and column",
+							},
+						},
+					},
+					{
+						Code:            "DeploymentFailed",
+						MessageContains: "At least one resource deployment operation failed. Please see the details for the specific operation that failed.",
+						Details: []step.DeploymentErrorDetail{
+							{
+								Code:            "InvalidTemplate",
+								MessageContains: "'Unable to evaluate the template language function 'substring'. The index parameter cannot be larger than the length of the string. The index parameter: '10', the length of the string parameter: '4'. Please see https://aka.ms/arm-function-substring for usage details.'",
 							},
 						},
 					},