fix(ci): Add error handling and fix version matching in iOS setup

- Add `set -e` to fail fast on critical command failures
- Use `grep -Fq` for fixed-string matching to avoid regex issues with version dots

Co-authored-by: MartinZikmund <1075116+MartinZikmund@users.noreply.github.com>

Author: Copilot

build/ci/templates/ios-build-select-version.yml

@@ -3,6 +3,7 @@ parameters:
 
 steps:
   - bash: |
+      set -e
       echo 'xCode Root to ${{parameters.xCodeRoot}}'
       echo '##vso[task.setvariable variable=MD_APPLE_SDK_ROOT;]'${{parameters.xCodeRoot}}
       sudo xcode-select --switch ${{parameters.xCodeRoot}}/Contents/Developer
@@ -22,7 +23,7 @@ steps:
           exit 0
         fi
       elif [ -n "$SDK_VERSION" ]; then
-        if xcrun simctl list runtimes | grep -q "iOS $SDK_VERSION"; then
+        if xcrun simctl list runtimes | grep -Fq "iOS $SDK_VERSION"; then
           echo "Required iOS simulator runtime already installed."
           exit 0
         fi
@@ -51,7 +52,7 @@ steps:
         fi
         if [ -n "$SDK_BUILD_VERSION" ] && xcrun simctl list runtimes | grep -q "iOS.*$SDK_BUILD_VERSION"; then
           echo "Required iOS simulator runtime now installed."
-        elif [ -n "$SDK_VERSION" ] && xcrun simctl list runtimes | grep -q "iOS $SDK_VERSION"; then
+        elif [ -n "$SDK_VERSION" ] && xcrun simctl list runtimes | grep -Fq "iOS $SDK_VERSION"; then
           echo "Required iOS simulator runtime now installed."
         elif [ -z "$SDK_BUILD_VERSION" ] && [ -z "$SDK_VERSION" ] && xcrun simctl list runtimes | grep -q "iOS"; then
           echo "iOS simulator runtime now installed."