simplify using dotnet install

Author: ramsessanchez

.azure-pipelines/generation-templates/build-and-publish-kiota.yml

@@ -1,8 +1,5 @@
 steps:
 - pwsh: |
-    dotnet tool install --global Microsoft.OpenApi.Kiota
-    $kiotaPath = Join-Path $HOME ".dotnet" "tools" "kiota"
-    Write-Host "Kiota installed at: $kiotaPath"
-    New-Item -ItemType Directory -Force -Path "$(Build.ArtifactStagingDirectory)" | Out-Null
-    Copy-Item -Path $kiotaPath -Destination (Join-Path "$(Build.ArtifactStagingDirectory)" "kiota")
+    dotnet tool install Microsoft.OpenApi.Kiota `
+          --tool-path "$(Build.ArtifactStagingDirectory)"
   displayName: 'Install Kiota via dotnet tool'

.azure-pipelines/generation-templates/language-generation-kiota.yml

@@ -96,7 +96,7 @@ steps:
         Write-Warning "Kiota directory not found: $(kiotaDirectory)"
     }
   displayName: 'List files in Kiota directory'
-- pwsh: '& "$(kiotaExecutable)" generate --openapi "$(Build.SourcesDirectory)/msgraph-metadata/${{ parameters.cleanMetadataFolder }}/openapi.yaml" --language "${{ parameters.language }}" -o "$(kiotaDirectory)/output" -n "${{ parameters.targetNamespace }}" -c "${{ parameters.targetClassName }}" ${{ parameters.customArguments }} ${{ parameters.pathExclusionArguments }}'
+- pwsh: '& "$(kiotaDirectory)/kiota" generate --openapi "$(Build.SourcesDirectory)/msgraph-metadata/${{ parameters.cleanMetadataFolder }}/openapi.yaml" --language "${{ parameters.language }}" -o "$(kiotaDirectory)/output" -n "${{ parameters.targetNamespace }}" -c "${{ parameters.targetClassName }}" ${{ parameters.customArguments }} ${{ parameters.pathExclusionArguments }}'
   displayName: 'Run Kiota for ${{ parameters.language }} ${{ parameters.version }}'
   env:
     KIOTA_GENERATION:EXPORTPUBLICAPI: ${{ parameters.exportDom }}

.azure-pipelines/generation-templates/set-up-for-generation-kiota.yml

@@ -8,16 +8,7 @@ steps:
   parameters:
     version: "10.x"
 
-- pwsh: |
-    $kiotaBin = Get-ChildItem -Path "$(kiotaDirectory)" -Recurse -File | Where-Object { $_.BaseName -eq "kiota" } | Select-Object -First 1
-    if (-not $kiotaBin) {
-      Write-Error "Kiota binary not found under $(kiotaDirectory)"
-      Get-ChildItem "$(kiotaDirectory)" -Recurse -ErrorAction SilentlyContinue | Select-Object FullName
-      exit 1
-    }
-    chmod +x $kiotaBin.FullName
-    Write-Host "Kiota binary ready at: $($kiotaBin.FullName)"
-    Write-Host "##vso[task.setvariable variable=kiotaExecutable]$($kiotaBin.FullName)"
+- pwsh: chmod +x "$(kiotaDirectory)/kiota"
   displayName: 'Make Kiota executable'
 
 # checkout metadata repo if capture and clean step is skipped