Build: Avoid installation of huge static QmlDesignerCore library

It is not used as a public interface, just to share with tests. Do not
install it.

Fixes: QTCREATORBUG-28673
Change-Id: I669ffd468291b8150568d0193a33e5795d58f017
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Marco Bubke <marco.bubke@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

cmake/QtCreatorAPI.cmake

@@ -122,7 +122,7 @@ function(get_default_defines varName allow_ascii_casts)
 endfunction()
 
 function(add_qtc_library name)
-  cmake_parse_arguments(_arg "STATIC;OBJECT;SHARED;SKIP_TRANSLATION;ALLOW_ASCII_CASTS;FEATURE_INFO;SKIP_PCH"
+  cmake_parse_arguments(_arg "STATIC;OBJECT;SHARED;SKIP_TRANSLATION;ALLOW_ASCII_CASTS;FEATURE_INFO;SKIP_PCH;EXCLUDE_FROM_INSTALL"
     "DESTINATION;COMPONENT;SOURCES_PREFIX;BUILD_DEFAULT"
     "CONDITION;DEPENDS;PUBLIC_DEPENDS;DEFINES;PUBLIC_DEFINES;INCLUDES;PUBLIC_INCLUDES;SOURCES;EXPLICIT_MOC;SKIP_AUTOMOC;EXTRA_TRANSLATIONS;PROPERTIES" ${ARGN}
   )
@@ -272,7 +272,7 @@ function(add_qtc_library name)
     set(COMPONENT_OPTION "COMPONENT" "${_arg_COMPONENT}")
   endif()
 
-  if (NOT QTC_STATIC_BUILD OR _arg_SHARED)
+  if (NOT _arg_EXCLUDE_FROM_INSTALL AND (NOT QTC_STATIC_BUILD OR _arg_SHARED))
     install(TARGETS ${name}
       EXPORT QtCreator
       RUNTIME

src/plugins/qmldesigner/CMakeLists.txt

@@ -43,6 +43,7 @@ add_qtc_library(QmlDesignerUtils STATIC
 )
 
 add_qtc_library(QmlDesignerCore STATIC
+  EXCLUDE_FROM_INSTALL
   DEPENDS
     Threads::Threads
     Qt::CorePrivate
@@ -431,7 +432,12 @@ extend_qtc_plugin(QmlDesigner
     ${CMAKE_CURRENT_LIST_DIR}/components/texteditor
   PUBLIC_INCLUDES
     ${CMAKE_CURRENT_LIST_DIR}
+    ${CMAKE_CURRENT_LIST_DIR}/designercore
+    ${CMAKE_CURRENT_LIST_DIR}/designercore/include
   PUBLIC_DEPENDS
+    QmlDesignerUtils
+    QmlPuppetCommunication
+  DEPENDS
     QmlDesignerCore
   SOURCES
     designmodecontext.cpp designmodecontext.h