Edit Stock Investment dialog errors

[slodki]

1. Create investment account

2. Add stock investment with any required parameters

3. Open Edit Stock Investment dialog
   

4. Use download stock price history button or manually add some historical prices

5. Select historical price on the list

6. Current Price value is changed
   -> this field contains historical price now, not current as labeled!

7. Current Value is not changed
   -> inconsistent with Current Price two lines above

8. Add manually historical price using Current Price (why user should enter historical price into current price field???), Price Date and Add button

9. Current Value is recalculated using added historical price
   -> value presented here is not current value!

10. Delete latest/top-most price from list

11. Current Value is not updated
    -> presented value is based on non-existing price, will change on dialog reopening

Proposal:

• Move price and date fields to the right pane between the price list and buttons, renaming to simple Date and Price
• Fix Current Value calculation - use latest price always with special solution (?) for empty price list case

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Version: 1.4.0-alpha.4 • db 13 (aes128cbc) • git 08ed887 (2018-07-23) fix-1738
Libs: wxWidgets 3.1.1 (wxGTK 2.24) • wxSQLite3 4.0.4 (SQLite 3.24.0) • Mongoose 6.11 • RapidJSON 1.1.0 • Lua 5.3.3 • libcurl 7.58.0 • OpenSSL 1.1.0g • zlib 1.2.11 • libidn2 2.0.4 • libpsl 0.19.1 • ( libidn2 2.0.4) • nghttp2 1.30.0 • librtmp 2.3
Build: Jul 29 2018 23:38:22 • CMake 3.10.2 • GNU Make 4.1 • gettext 0.19.8.1 • GCC 7.3.0 • Ubuntu 18.04 'bionic'
OS: Ubuntu 18.04.1 LTS "bionic" • Linux 4.15.0-29-generic x86_64 • KDE Polish (UTF-8) • 1280x1024 24bit 96x96ppi