Update to version 5.0.6

Changelog:

• bugfix: #1504514 next Previous buttons not translated when importing ofx file
• bugfix: #1504359 assignment with same name should not be possible
• bugfix: #1503682 app crash opening a file from previous version
• bugfix: #1502997 || input in split should not be possible
• bugfix: #1502496 auto assignment don't set payee on split txn
• bugfix: #1502444 auto assignment can mark untouched txn as changed
• bugfix: #1502034 translate homebank.appdata.xml
• bugfix: #1501968 splits without category are lost during QIF import
• bugfix: #1501962 statistics report crashes HomeBank after adding a new tag
• bugfix: #1501144 auto assignment changes split category when only payee is defined in assignment definition
• bugfix: #1501138 wrong number of txns in pop-up after auto assignment
• bugfix: #1501129 auto assignment dialog not active when no category defined
• bugfix: #1501098 litre symbol is not translatable
• bugfix: #1500043 remove period from short description
• bugfix: #1498622 translation: add developer note to FI Fee
• bugfix: #1497630 translation: typing errors
• bugfix: #1497521 txn dialog +/- button reset amount to 0