Handle rendering of feature type transcript

[shashankbrgowda]

When the child feature type is transcript then gene glyph is rendering the transcript using generic child glyph

Example:
gene.gff3

Feature type ontology store returns false when query type is transcript for mRNA
https://github.com/GMOD/Apollo3/blob/feedback-ontology-loading/packages/jbrowse-plugin-apollo/src/LinearApolloDisplay/glyphs/GeneGlyph.ts#L155-L156

[shashankbrgowda]

[shashankbrgowda]

Fixed in #516