Changed the name, it is not a PopupMenuController, but a ToolbarController that shows a PopupMenu filled at runtime by a PopupMenuController

Make it a base class for other ToolbarController components, there is no sense to make it a component by itself

Use this base class for three new pure UNO ToolbarController's

Some small clean-up to use the PopupMenu ToolbarController

122260: Calc Navigator - assure that tool box is at least as wide as the tree list box to avoid 'bad' layout when the Navigator is resized.

which should be available in math.h according to C99, C++99, SUSv3, etc.
unless GCC bug 14608 hits us where cmath undefines isfinite as macro

i122291: Showing the right set of layouts for handout mode.  Fixed painting selection in layout panel.

#122265# split resource string to get more flexibility and drop general copyright from translation, remains untranslated

Patch-By: jza