"resample" does not allign traces iwth different initial starting points

[Steph-74]

Describe the bug The "resample" function only resamples the data after the first datapoint of the respective trace was provided by the data base - it does not create entries in the array from the beginning of the reporting periode. If different traces are to be combined, the arrays' length do not match

Screenshots

yaml

type: custom:plotly-graph
  - entity: sensor.total_battery_energy_charged
    internal: true
    statistic: sum
    period: 5minute
    filters:
      - delta
      - fn: |
          ({ys}) => {
            let acc = 0;
            return { ys: ys.map(y => acc += y) }
          }
      - store_var: to_battery
  - entity: sensor.total_battery_energy_discharged
    internal: true
    statistic: sum
    period: 5minute
    filters:
      - delta
      - fn: |
          ({ys}) => {
            let acc = 0;
            return { ys: ys.map(y => acc += y) }
          }
      - store_var: from_battery
  - entity: sensor.smart_meter_ts_65a_3_energy_real_produced
    internal: true
    statistic: sum
    period: 5minute
    filters:
      - delta
      - fn: |
          ({ys}) => {
            let acc = 0;
            return { ys: ys.map(y => acc += y) }
          }
      - store_var: to_grid
  - entity: sensor.smart_meter_ts_65a_3_energy_real_consumed
    internal: true
    statistic: sum
    period: 5minute
    filters:
      - delta
      - fn: |
          ({ys}) => {
            let acc = 0;
            return { ys: ys.map(y => acc += y) }
          }
      - store_var: from_grid
  - entity: sensor.wattpilot_totally_charged
    internal: true
    statistic: sum
    period: 5minute
    filters:
      - delta
      - fn: |
          ({ys}) => {
            let acc = 0;
            return { ys: ys.map(y => acc += y) }
          }
      - store_var: to_car
  - entity: sensor.total_photovoltaics_energy
    internal: true
    name: heute
    statistic: sum
    period: 5minute
    filters:
      - delta
      - fn: |
          ({ys}) => {
            let acc = 0;
            return { ys: ys.map(y => acc += y) }
          }
      - store_var: pv_prod
  - entity: ''
    name: heute
    statistic: sum
    period: 5minute
    filters: 
      - load_var: pv_prod
      - map_y: >-
          parseFloat(vars.pv_prod.ys[i]) - parseFloat(vars.to_grid.ys[i]) -
          parseFloat(vars.to_battery.ys[i]) +
          parseFloat(vars.from_battery.ys[i]) + parseFloat(vars.from_grid.ys[i])
      - multiply: 0.001
    line: 
      color: rgba(255, 0, 0, 1)
      width: 2
      shape: spline
    show_value: true

Additional context See also this discussion

[dbuezas]

This will be a bit tricky to fix, I'll need to add a way to keep track of the requested ranges (analogous to visible_range).