Resolve "Display a genes list for peaks"

Closes #90 (closed)

client-nuxt/pages/projects/_id/analysis/_analysisId/results/peaks/_peakId/coefficients/index.vue

@@ -28,6 +28,7 @@
               label="Search"
               single-line
               hide-details
+              clearable
             ></v-text-field>
             <v-spacer></v-spacer>
             <download-csv :data="filterCoeff" :name="getFilename">