tracim_v2

AlexiCauvin 4c2e541b23 https://github.com/tracim/tracim/issues/720, changing the placeholder according to apps via the translation function		6 gadus atpakaļ
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PopupCreateThread.jsx	https://github.com/tracim/tracim/issues/720, changing the placeholder according to apps via the translation function	6 gadus atpakaļ
Thread.jsx	fixed html-document slug + fixed popup create content closing + fixed translation	6 gadus atpakaļ