make the bounty filter numbers editable as text too

[championswimmer]

right now only slider moves but cant edit as text

[architkshk]

@championswimmer Repo is missing some code https://github.com/coding-blocks/boss/commit/812a65279e5a4ce880d526b48516171f74949292. https://github.com/coding-blocks/boss/pull/143 mergng https://github.com/coding-blocks/boss/pull/146 can fix the missing code.