This introduces string constants in Utils::StyleHelper. They are used by
code all over in Qt Creator to tell ManhattanStyle how to paint certain
widgets.

Change-Id: Iecca36103f80084cd5fe93fcb6b18b8fbb3a32bb
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

This makes sure that toolbutton sizes and spacings are correct in all
toolbar layout modes.

Task-number: QTCREATORBUG-29082
Change-Id: If2aad74b77c0b8dcda81478e3d345c783584cec4
Reviewed-by: hjk <hjk@qt.io>

Follows QtcProcess -> Process rename.

Change-Id: I97235a9a40cb7fd52944515b7ab878d96528f919
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

Task-number: QTCREATORBUG-29102
Change-Id: Ibc264f9db6a32206e4097766ee3f7d0b35225a5c
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: hjk <hjk@qt.io>

20 string duplications warrant a centralized setter. A couple more of
them will come with the upcoming toolbar changes.

Change-Id: Ide8c680da21d5be09f968bcc0a774e062c6f0260
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

The whole machinery is now almost only layoutbuilder.{h,cpp},
mostly independent of the rest of Utils. Idea is to finish the
separation to make it stand-alone usable also outside creator.

Change-Id: I958aa667d17ae26b21209f22412309c5307a579c
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

Change-Id: I7abe582d2fb092bf87ac14690f588ae3524abc3d
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>

Mainly in order to enforce a unified group name across QtC libraries and
plugins.

Change-Id: I6eafe0f9d227ec73d8c9029675866c67063768fb
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

Quite a few of the uses are actually wrong, but are better visible
now and therefore more likely to be fixed.

Change-Id: Ia51f7d6eb1b2d3a9c9f73d67dabacfd227c44b15
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>

... out of SessionManager.

The idea is to later move SessionManager into the Core plugin,
which both is sensible conceptually and also prerequisite to
merge the Bookmark plugin into TextEditor plugin.

Currently, only the interface is split, as the load/save
implemetations are non-mechanical to disentangle.

Change-Id: I31631db3094ea192825a2ccaa6add6188662940b
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>