Particular ViewerTest commands lack self-description

Patch is ready for review

Branch CR23960 reviewed without remarks, ready for testing.

Give a list, please!

>Give a list, please!
vdisplay
verase
vdonly
vdisplayall
veraseall
vsetdispmode
vunsetdispmode
vdir
vsetcolor
vunsetcolor
vsettransparency
vunsettransparency
vstate

Dear Commenter 1,

Branch CR23960 (and products from GIT master) was compiled on Linux and Windows platforms and tested.
[revision removed]

Number of compiler warnings:

occt component :
Linux: 2 (2 on master)
Windows: 11 (11 on master)

products component :
Linux: 0 (0 on master)
Windows: 64 (64 on master)

Regressions:
No regressions

Improvements:
No improvements

Testing cases:
Not needed

Before this fix:
vdisplay : vdisplay : vdisplay2 name1 [name2] ... [name n]
verase : verase : verase2 [name1] ... [name n]
vdonly : vdonly : vdonly2 [name1] ... [name n]
vdisplayall : vdisplayall : vdisplayall
veraseall : veraseall : veraseall
vsetdispmode : vsetdispmode : vsetdispmode [name] mode(1,2,..): no name -> on selected objects
vunsetdispmode : vunsetdispmode : vunsetdispmode [name] mode(1,2,..): no name -> on selected objects
vdir : vdir
vsetcolor : vsetcolor : vsetcolor [name of shape] ColorName
vunsetcolor : vunsetcolor : vunsetcolor [name of shape]
vsettransparency : vsettransparency : vtransparency [name of shape] TransparenctCoef (0 -> 1)
vunsettransparency : vunsettransparency : vtransparency [name of shape]
vstate : vstate [Name1] ... [NameN] :No arg, select currents; no currrent select all

Afther this fix:
vdisplay : vdisplay name1 [name2] ... [name n]
                : Displays named objects
verase : verase [name1] ... [name n]
                : Erases selected or named objects.
                : If there are no selected or named objects the whole viewer is erased.
vdonly : vdonly [name1] ... [name n]
                : Displays only selected or named objects
vdisplayall : Displays all erased interactive objects (see vdir and vstate)
veraseall : Erases all objects displayed in the viewer
vsetdispmode : vsetdispmode [name] mode(1,2,..)
                : Sets display mode for all, selected or named objects.
vunsetdispmode : vunsetdispmode [name]
                : Unsets custom display mode for selected or named objects.
vdir : Lists all objects displayed in 3D viewer
vsetcolor : vsetcolor [name] ColorName
                : Sets color for all, selected or named objects.../../../../src/ViewerTest/ViewerTest.cxx
vunsetcolor : vunsetcolor [name]
                : Resets color for all, selected or named objects.../../../../src/ViewerTest/ViewerTest.cxx
vsettransparency : vsettransparency [name] Coefficient
                : Sets transparency for all, selected or named objects.
                : The Coefficient may be between 0.0 (opaque) and 1.0 (fully transparent).
vunsettransparency : vunsettransparency [name]
                : Resets transparency for all, selected or named objects.
vstate : vstate [name1] ... [nameN]
                : Reports show/hidden state for selected or named objects

Testing on Linux:
Total MEMORY difference: 366094836 / 366096232
Total CPU difference: 42909.600000001046 / 43867.64000000105

Testing on Windows:
Total MEMORY difference: 419276728 / 421349916
Total CPU difference: 40687.5 / 31658.21875

There are not serious differences in images found by testdiff.

> vsetcolor : vsetcolor [name] ColorName
> : Sets color for all, selected or named objects.../../../../src/ViewerTest/ViewerTest.cxx
> vunsetcolor : vunsetcolor [name]
> : Resets color for all, selected or named objects.../../../../src/ViewerTest/ViewerTest.cxx

Dear mkv, patch was updated (forced update) to fix found artifacts in help for vsetcolor, vunsetcolor commands.