Add translations for missing help tooltips

Added help tooltips for:

- condition
- loans
- object_addendum
- transcriptions
- provenance

Also added missing translations for data history.

backend/hu/loans.json

@@ -46,6 +46,9 @@
         "all_loan_entries": "\u00d6sszes haszonk\u00f6lcs\u00f6n",
         "must_be_numeric": "Csak sz\u00e1mmal megadhat\u00f3 \u00e9rt\u00e9k",
         "insurance_currency": "Biztos\u00edt\u00e1si \u00e9rt\u00e9k valutaneme",
-        "loans_list_empty_text": "Haszonk\u00f6lcs\u00f6n m\u00e9g nincs a m\u00fazeumhoz rendelve. Tov\u00e1bbi lehet\u0151s\u00e9gek:"
+        "loans_list_empty_text": "Haszonk\u00f6lcs\u00f6n m\u00e9g nincs a m\u00fazeumhoz rendelve. Tov\u00e1bbi lehet\u0151s\u00e9gek:",
+        "loan_obj_remark_explica": "Note about the specific circumstances of the object as part of the loan.",
+        "select_loan_entry_explica": "Select the loan entry you want to link the object with from the list. If the loan entry has not been added before, you can add it by clicking on the \"+\" symbol.",
+        "partner_person": "Contact person"
     }
 }