Home page is stretched when long search query is in recent searches list

Created by: mike-r-mclaughlin

• Sourcegraph version: Sourcegraph.com
• Platform information: N/A

Steps to reproduce:

1. Run a search query with many characters that has no spaces or line breaks. Example: context:global lang:java repo:/apache/ patterntype:regex .*(NONEwithDSA|NONEwithDSAndMGF1|SHA1withDSA|SHA1withDSAandMGF1|SHA224withDSA|SHA224withDSAandMGF1|SHA256withDSA|SHA256withDSAandMGF1|SHA384withDSA|SHA384withDSAandMGF1|SHA512withDSA|SHA512withDSAandMGF1|AES|Aria|ARIA|aria|Blowfish|BLOWFISH|blowfish|camellia|CAMELLIA|camellia|CAST5|Cast5|cast5|CAST6|Cast6|cast6|ChaCha|CHACHA|chacha|DES|des|Des|DESEDE|desede|Desede|Dstu7624|DSTU7624|dstu7624|OST28147|gost28147|Gost28147|Grainv1|Grain128|GRAINV1|grainv1|GRAIN128|grain128|IDEA|idea|Idea|rc2|RC2|Rc2|rc4|RC4|Rc4|rc5|RC5|Rc5|rc6|RC6|Rc6|RIJNDAEL|rijndael|Rijndael|Salsa20|salsa20|SALSA20|SEED|seed|Seed|Threefish-|THREEFISH-|threefish-|Twofish|TWOFISH|twofish).*
2. Go back to home page

Expected behavior:

Home page is not stretched

Actual behavior: