Search: Downgrade Bluge, refactor code (#51560)

Co-authored-by: Ryan McKinley <ryantxu@gmail.com>

go.sum

@@ -435,14 +435,13 @@ github.com/blevesearch/snowballstem v0.9.0/go.mod h1:PivSj3JMc8WuaFkTSRDW2SlrulN
 github.com/blevesearch/vellum v1.0.5/go.mod h1:atE0EH3fvk43zzS7t1YNdNC7DbmcC3uz+eMD5xZ2OyQ=
 github.com/blevesearch/vellum v1.0.7 h1:+vn8rfyCRHxKVRgDLeR0FAXej2+6mEb5Q15aQE/XESQ=
 github.com/blevesearch/vellum v1.0.7/go.mod h1:doBZpmRhwTsASB4QdUZANlJvqVAUdUyX0ZK7QJCTeBE=
-github.com/blugelabs/bluge v0.2.1 h1:lgd6IhAAIDoq6my9HQOwk3p6xqJBmR49+lpFmpeFHgU=
-github.com/blugelabs/bluge v0.2.1/go.mod h1:am1LU9jS8dZgWkRzkGLQN3757EgMs3upWrU2fdN9foE=
+github.com/blugelabs/bluge v0.1.9 h1:bPgXlcsWugrXNjzeoLdOnvfJpHsyODKpYaAndayl/SM=
+github.com/blugelabs/bluge v0.1.9/go.mod h1:5d7LktUkQgvbh5Bmi6tPWtvo4+6uRTm6gAwP+5z6FqQ=
 github.com/blugelabs/bluge_segment_api v0.2.0 h1:cCX1Y2y8v0LZ7+EEJ6gH7dW6TtVTW4RhG0vp3R+N2Lo=
 github.com/blugelabs/bluge_segment_api v0.2.0/go.mod h1:95XA+ZXfRj/IXADm7gZ+iTcWOJPg5jQTY1EReIzl3LA=
+github.com/blugelabs/ice v0.2.0/go.mod h1:7foiDf4V83FIYYnGh2LOoRWsbNoCqAAMNgKn879Iyu0=
 github.com/blugelabs/ice v1.0.0 h1:um7wf9e6jbkTVCrOyQq3tKK43fBMOvLUYxbj3Qtc4eo=
 github.com/blugelabs/ice v1.0.0/go.mod h1:gNfFPk5zM+yxJROhthxhVQYjpBO9amuxWXJQ2Lo+IbQ=
-github.com/blugelabs/ice/v2 v2.0.1 h1:mzHbntLjk2v7eDRgoXCgzOsPKN1Tenu9Svo6l9cTLS4=
-github.com/blugelabs/ice/v2 v2.0.1/go.mod h1:QxAWSPNwZwsIqS25c3lbIPFQrVvT1sphf5x5DfMLH5M=
 github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869/go.mod h1:Ekp36dRnpXw/yCqJaO+ZrUyxD+3VXMFFr56k5XYrpB4=
 github.com/bmizerany/pat v0.0.0-20170815010413-6226ea591a40/go.mod h1:8rLXio+WjiTceGBHIoTvn60HIbs7Hm7bcHjyrSqYB9c=
 github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps=