fdo#79968: & fdo#79969: Fix for embedded powerpoint & excel sheet in docx.

Problem Description:
fdo#79968:
1. Document contains embedded powerpoint in docx.
2. After RT, embedded powerpoint object is not preserved.
3. In this case, .sldx is get converted to .bin due to this powerpoint slides
is getting converted to picture.

fdo#79969:
1. Document contains embedded excel work sheet.
2. After RT, embedded excel sheet is not preserved.
3. In this case, .xlsm is get converted to .xls.
4. Similar case happened with binary excel work sheet.

Implementation:
Added sMediaType, sRelationType & sFileExtension for embedded excel sheet,
binary excel sheet & powerpoint slide.

Signed-off-by: Michael Stahl <mstahl@redhat.com>

Conflicts:
	sw/qa/extras/ooxmlexport/ooxmlexport.cxx
Reviewed on:
	https://gerrit.libreoffice.org/9765

(cherry picked from commit 9f8785074512d6442fd97d67860fd625ac4d6bb1)

Conflicts:
	sw/qa/extras/ooxmlexport/ooxmlexport.cxx

Change-Id: I8f94e3f9293f2ac98b61f919d60ca556695b26c2
fdo#80522 & fdo#80523:Embedded Macro-Enabled objects are not preserved

Description :
fdo#80522
- DOCX contain embedded word Macro-Enabled document.
- Embedded word Macro-Enabled object is not preserved.
- .docm preserved as .bin so word Macro-Enabled document is converted to picture.

fdo#80523
1) Embedded PowerPoint Macro-Enabled Slide
   - DOCX contain embedded PowerPoint Macro-Enabled Slide
   - Embedded PowerPoint Macro-Enabled Slide is not preserved.
   - .sldm preserved as .bin so powerpoint Macro-Enabled slide is converted to picture.
2) Embedded PowerPoint Macro-Enabled Presentation
   - same case with embedded PowerPoint Macro-Enabled Presentation
   - Embedded PowerPoint Macro-Enabled presentation is not preserved.
   - .pptm preserved as .pptx so powerpoint Macro-Enabled presentation is converted to picture .

Implementation :
Added sMediaType, sRelationType & sFileExtension for these embedded objects.

Change-Id: Ia58662ba921f3d940e8ead04a7f7ae83689a3b35
Reviewed-on: https://gerrit.libreoffice.org/9917
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Miklos Vajna <vmiklos@collabora.co.uk>
(cherry picked from commit f11d6421e4e61ce6f557ebd8272485f79968224e)
Signed-off-by: Michael Stahl <mstahl@redhat.com>
fdo#80898:Fix for embedded obj 97-2003 MS Doc File

Added implementation for embedded Word 97-2003 document.

Change-Id: I47ec39f25beee9a37f2a1e914384bc458df31b78
Reviewed-on: https://gerrit.libreoffice.org/10078
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Miklos Vajna <vmiklos@collabora.co.uk>
(cherry picked from commit 163b5fd59fe1e9b8c8a1bcac9dab069c0bcd27e9)
Signed-off-by: Michael Stahl <mstahl@redhat.com>