Add toggle for RS adjusted BV printing, and set default export filename

[pavelbraginskiy]

Closes #1581.

This PR contains two features:

• When exporting from MUL to PDF, prefill the name of the pdf with the name of the mul file.
• Add a checkbox to the print queue dialog when printing from MUL to adjust the BV displayed on the record sheet for force modifiers like TAG and C3. BV is always adjusted for pilot skill regardless of this checkbox.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 0.65%. Comparing base (2164b26) to head (5a3bbba). Report is 6 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1582 +/- ## =========================================== - Coverage 0.65% 0.65% -0.01% Complexity 64 64 =========================================== Files 266 266 Lines 30511 30521 +10 Branches 5200 5203 +3 =========================================== Hits 201 201 - Misses 30270 30280 +10 Partials 40 40 ```

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