QmlDesigner: Fix clang format file

The regular expression was case insensitive.

Change-Id: Ic44ac8b65428574fb7d0cb8327b8b536b74720d8
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/plugins/qmldesigner/.clang-format

@@ -17,8 +17,9 @@ BreakConstructorInitializers: BeforeComma
 BreakInheritanceList: AfterComma
 ColumnLimit:    100
 IncludeCategories:
-  - Regex:           '^<Q.*'
-    Priority:        200
+  - Regex:           'Q.*'
+    Priority:        8
+    CaseSensitive:   true
 IndentPPDirectives: AfterHash
 IndentWidth:     4
 KeepEmptyLinesAtTheStartOfBlocks: false

tests/unit/.clang-format

@@ -17,8 +17,9 @@ BreakConstructorInitializers: BeforeComma
 BreakInheritanceList: AfterComma
 ColumnLimit:    100
 IncludeCategories:
-  - Regex:           '^<Q.*'
-    Priority:        200
+  - Regex:           'Q.*'
+    Priority:        8
+    CaseSensitive:   true
 IndentPPDirectives: AfterHash
 IndentWidth:     4
 KeepEmptyLinesAtTheStartOfBlocks: false