Various UX improvements (#7207)

* Refactor: Format JSON

* Change button hover color to be darker

* Refactor: Change disabled buttons to always look disabled, even if they don't have the default style

* Make disabled style a little grayer

* Refactor: Make addCloseButton not start a new row

* Refactor: Remove "...inRow" popup button methods & add button style parameter

* Reorder "ok/cancel" popups to have "ok" on the right side

* Fix pointer enter/exit events being disabled by default

* Fix equalizeLastTwoButtonWidths not setting the cells to be equal size

* Change YesNoPopup to ConfirmPopup

* Add ConfirmPopup to deletion of save files

android/assets/jsons/translations/template.properties

@@ -25,6 +25,9 @@ Fastlane_full_description =
 # Starting from here normal translations start, as described in
 # https://yairm210.github.io/Unciv/Other/Translating/
 
+# General
+Delete = 
+
 # Base ruleset names
 Civ V - Vanilla = 
 Civ V - Gods & Kings = 
@@ -141,6 +144,7 @@ We will remember this. =
 [civName] and [targetCivName] have signed the Declaration of Friendship! = 
 [civName] has denounced [targetCivName]! = 
 Do you want to break your promise to [leaderName]? = 
+Break promise = 
 We promised not to settle near them ([count] turns remaining) = 
 They promised not to settle near us ([count] turns remaining) = 
 
@@ -505,6 +509,7 @@ Change map to fit selected ruleset? =
 Area: [amount] tiles, [amount2] continents/islands = 
 Area: [amount] tiles, [amount2]% water, [amount3] continents/islands = 
 Do you want to leave without saving the recent changes? = 
+Leave = 
 Do you want to load another map without saving the recent changes? = 
 Invalid map: Area ([area]) does not match saved dimensions ([dimensions]). = 
 The dimensions have now been fixed for you. = 
@@ -627,6 +632,7 @@ Copy to clipboard =
 Copy saved game to clipboard = 
 Could not load game = 
 Load [saveFileName] = 
+Are you sure you want to delete this save? = 
 Delete save = 
 [saveFileName] deleted successfully. = 
 Insufficient permissions to delete [saveFileName]. = 
@@ -634,6 +640,7 @@ Failed to delete [saveFileName]. =
 Saved at = 
 Saving... = 
 Overwrite existing file? = 
+Overwrite = 
 It looks like your saved game can't be loaded! = 
 If you could copy your game data ("Copy saved game to clipboard" -  = 
   paste into an email to yairm210@hotmail.com) = 
@@ -943,6 +950,7 @@ Social policies =
 Community = 
 Close = 
 Do you want to exit the game? = 
+Exit = 
 Start bias: = 
 Avoid [terrain] = 
 
@@ -962,6 +970,7 @@ Buy for [amount] gold =
 Buy = 
 Currently you have [amount] [stat]. = 
 Would you like to purchase [constructionName] for [buildingGoldCost] [stat]? = 
+Purchase = 
 No space available to place [unit] near [city] = 
 Maintenance cost = 
 Pick construction =