Update source strings

Author: PrismAutomata

bg.ts

@@ -1704,7 +1704,7 @@ Please update both your operating system and %1.</source>
     <message>
         <location filename="src/launcher/ui/dialogs/ExportToModListDialog.ui" line="57"/>
         <source>Custom</source>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">Собствен</translation>
     </message>
     <message>
         <location filename="src/launcher/ui/dialogs/ExportToModListDialog.ui" line="65"/>
@@ -2801,27 +2801,27 @@ Please try again.</source>
     <message>
         <location filename="src/launcher/ui/dialogs/InstallLoaderDialog.cpp" line="133"/>
         <source>NeoForge</source>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">NeoForge (НеоФордж)</translation>
     </message>
     <message>
         <location filename="src/launcher/ui/dialogs/InstallLoaderDialog.cpp" line="135"/>
         <source>Forge</source>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">Forge (Фордж)</translation>
     </message>
     <message>
         <location filename="src/launcher/ui/dialogs/InstallLoaderDialog.cpp" line="137"/>
         <source>Fabric</source>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">Fabric (Фабрик)</translation>
     </message>
     <message>
         <location filename="src/launcher/ui/dialogs/InstallLoaderDialog.cpp" line="139"/>
         <source>Quilt</source>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">Quilt (Куилт)</translation>
     </message>
     <message>
         <location filename="src/launcher/ui/dialogs/InstallLoaderDialog.cpp" line="141"/>
         <source>LiteLoader</source>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">LiteLoader (ЛаитЛоадер)</translation>
     </message>
     <message>
         <location filename="src/launcher/ui/dialogs/InstallLoaderDialog.cpp" line="147"/>
@@ -6814,7 +6814,7 @@ Please update %1!</source>
     <message>
         <location filename="src/launcher/net/NetJob.cpp" line="127"/>
         <source>Executing %1 task(s) (%2 out of %3 are done)</source>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">Изпълнява се задача(и) %1 (%2 от %3 са изпълнени)</translation>
     </message>
 </context>
 <context>
@@ -7327,7 +7327,7 @@ Choose your name carefully:</source>
     <message>
         <location filename="src/launcher/ui/dialogs/ProgressDialog.ui" line="26"/>
         <source>Please wait...</source>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">Моля, изчакайте...</translation>
     </message>
     <message>
         <location filename="src/launcher/ui/dialogs/ProgressDialog.ui" line="49"/>
@@ -7718,7 +7718,7 @@ This message will be displayed until you remove this from the JVM arguments.</so
         <location filename="src/launcher/JavaCommon.cpp" line="104"/>
         <source>Java checker library could not be found. Please check your installation.</source>
         <oldsource>Java checker library could not be found. Please check your installation</oldsource>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">Не беше намерена библиотека за проверка на Java. Моля, проверете инсталацията си.</translation>
     </message>
     <message>
         <location filename="src/launcher/meta/BaseEntity.cpp" line="103"/>
@@ -9884,7 +9884,7 @@ Canonical Path: %1</source>
     <message>
         <location filename="src/launcher/ui/pages/instance/WorldListPage.ui" line="127"/>
         <source>Refresh</source>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">Обновяване</translation>
     </message>
     <message>
         <location filename="src/launcher/ui/pages/instance/WorldListPage.ui" line="132"/>