[FIX] Allow all oem modes with tesseract v4

[hamelg]

In raising this pull request, I confirm the following (please check boxes):

• I have read and understood the contributors guide.
• I have checked that another pull request for this purpose does not exist.
• I have considered, and confirmed that this submission will be valuable to others.
• I accept that this submission may not be used, and the pull request closed at the will of the maintainer.
• I give this submission freely, and claim no ownership to its content.
• I have mentioned this change in the changelog.

My familiarity with the project is as follows (check one):

• I have never used CCExtractor.
• I have used CCExtractor just a couple of times.
• I absolutely love CCExtractor, but have not contributed previously.
• I am an active contributor to CCExtractor.

---

FIx the issue #1264

[ccextractor-bot]

CCExtractor CI platform finished running the test files on linux. Below is a summary of the test results:

Report Name	Tests Passed
Broken	12/13
DVB	4/7
DVR-MS	2/2
General	27/27
Hauppage	3/3
MP4	3/3
NoCC	10/10
Teletext	20/21
WTV	13/13
XDS	32/34
CEA-708	14/14
DVD	3/3
Options	83/86

It seems that not all tests were passed completely. This is an indication that the output of some files is not as expected (but might be according to you).

Your PR breaks these cases:

• ccextractor -out=sami -latin1 -autoprogram 5b4e0a6034...
• ccextractor -autoprogram -out=srt -latin1 85271be4d2...
• ccextractor -autoprogram -out=ttxt -latin1 -datets dcada745de...
• ccextractor -autoprogram -out=smptett -latin1 -ucla e274a73653...
• ccextractor -autoprogram -out=ttxt -latin1 -ucla -xds b22260d065...
• ccextractor -out=smptett c83f765c66...
• ccextractor -out=spupng c83f765c66...
• ccextractor -in=es dc7169d7c4...
• ccextractor -stdout -quiet -nofc 79a51f3500...
• ccextractor -stdout -quiet -nofc 767b546f96...

Check the result page for more info.