hotfix: improved the in-game description of the new decision to remove the BftB Turkish focus tree

Added the decision that allows the player to remove the Turkish focus tree and replace it with generic one at the start of the game.

debug update

minor changes:
- fixed a localisation string for Russian 1944 offensive event - the options should now be named differently,
- fixed an issue with War in the East modifier for Germany not appearing in case where the Soviet Union doesn't lose any provinces (can happen if you just turtle up the entire border with forts and sit there until 1944 - another way to cheese this game)

debug hotfix

hotfix:
- Italian player should now be able to block the German AI from giving Dalmatia, Bosnia and Herzegovina to Croatia via separate event

Soviet invasion of Poland balance patch:

- during the historical event chain Soviets will no longer be able to enter Lvov, Stanislawow and Bialystok leaving these areas to Germans with Germany having an option to give them to the Soviets after the invasion. It actually happened historically:
https://en.wikipedia.org/wiki/Soviet_invasion_of_Poland#Military_campaign
https://upload.wikimedia.org/wikipedia/commons/3/34/Poland1939_after_14_Sep.jpg

- this means that the Polish player will retain these lands with all of their industry until the end of German invasion even if the historical option is chosen and the Soviets already entered eastern Poland, giving Poland a better chance to repel the invasion,
- this also means that Soviets won't be able to achieve the Curzon Line treaty with Poland (part of the Vanilla Formable Patch) until the end of the war.

- heavily reduced the communist influence in Iran during the Anglo-Soviet invasion of Iran (therefore hopefully Iran should no longer turn communist as easily in the late game)

Temporarily removed the Free French focus tree fix.

There seems to be the bug with Vichy French tree in the newest version of the patch though...

- modified Free French tree to allow it to progress without havinf De Gaulle as country leader
will remove this as soon as Paradox fixes the De Gaulle issue in 1.11.4

Removed the flag fix for POUM (independent Spanish communists). It's been two years since the bug was introduced in La Resistance and was never fixed. I removed the "fix" because the cosmetic tag is bugged - loading SPC_POUM tag through the focus tree blocks the POUM flag from being visible. Loading it again via script or console command restores the flag, but gets rid of the unique 3D models for Spanish POUM and also removes it's unique color from the map. After all these years I still have no idea on how to fix it without modifying vanilla files... I therefore capitulate.

I've also updated the flag mods to remove POUM flag completetly from the game. Both POUM and PCE will now use the same flag, but with the slithly larger star in the center to make the white hammer and sickle visible for the player.