Allow smaller step for t_a

[aenieblas]

Change step to 0.01. The same should be done for the upper limit (line 70).

StockMonitoringTool/ui/elefan/elefanGaUI.R

Line 55 in bad1210

 numericInput(ns("ELEFAN_GA_lowPar_t_anchor"), p("Time point anchoring the growth curves in the year-length coordinate system, corresponds to the peak spawning month. The fraction of the year where yearly repeating growth curves cross length equal to zero; for example a value of 0.25 refers to April 1st of any year (", withMathJax("\\(t_{anchor}\\)"), ")"), 0, min = 0, max = 1, step=0.1)